Merge #25

25: build(deps): bump heapless from 0.5.0 to 0.5.1 r=jordens a=dependabot-preview[bot]

Bumps [heapless](https://github.com/japaric/heapless) from 0.5.0 to 0.5.1.
<details>
<summary>Changelog</summary>

*Sourced from [heapless's changelog](https://github.com/japaric/heapless/blob/master/CHANGELOG.md).*

> ## [v0.5.1] - 2019-08-29
> 
> ### Added
> 
> - Added armv8 support
> - Added `Queue::peek`
> - Added `BinaryHeap::peek_mut`
</details>
<details>
<summary>Commits</summary>

- [`5ffd0df`](5ffd0df2cc) Merge [#118](https://github-redirect.dependabot.com/japaric/heapless/issues/118)
- [`7c93606`](7c93606372) Prepared for 0.5.1 release
- [`e8aa152`](e8aa152993) Merge [#117](https://github-redirect.dependabot.com/japaric/heapless/issues/117)
- [`fde6afe`](fde6afe6cc) Added peek_mut based on the std-lib
- [`03b890f`](03b890f161) Merge [#110](https://github-redirect.dependabot.com/japaric/heapless/issues/110)
- [`eae66b9`](eae66b9b87) Add Queue::peek.
- [`9e2e5ae`](9e2e5ae03f) Merge [#113](https://github-redirect.dependabot.com/japaric/heapless/issues/113)
- [`902460c`](902460cd18) Added armv8 base to CI
- [`14cef0f`](14cef0fbc3) Added distinction between armv8 base and main
- [`24ffc4a`](24ffc4a399) Added armv8 support
- Additional commits viewable in [compare view](https://github.com/japaric/heapless/compare/v0.5.0...v0.5.1)
</details>
<br />

[![Dependabot compatibility score](https://api.dependabot.com/badges/compatibility_score?dependency-name=heapless&package-manager=cargo&previous-version=0.5.0&new-version=0.5.1)](https://dependabot.com/compatibility-score.html?dependency-name=heapless&package-manager=cargo&previous-version=0.5.0&new-version=0.5.1)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
- `@dependabot ignore this major version` will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)
- `@dependabot use these labels` will set the current labels as the default for future PRs for this repo and language
- `@dependabot use these reviewers` will set the current reviewers as the default for future PRs for this repo and language
- `@dependabot use these assignees` will set the current assignees as the default for future PRs for this repo and language
- `@dependabot use this milestone` will set the current milestone as the default for future PRs for this repo and language
- `@dependabot badge me` will comment on this PR with code to add a "Dependabot enabled" badge to your readme

Additionally, you can set the following in your Dependabot [dashboard](https://app.dependabot.com):
- Update frequency (including time of day and day of week)
- Automerge options (never/patch/minor, and dev/runtime dependencies)
- Pull request limits (per update run and/or open at any time)
- Out-of-range updates (receive only lockfile updates, if desired)
- Security updates (receive only security updates, if desired)

Finally, you can contact us by mentioning @dependabot.

</details>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Cargo.lock

@@ -88,7 +88,7 @@ dependencies = [
  "cortex-m 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rt 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rtfm-macros 0.5.0-alpha.1 (git+https://github.com/japaric/cortex-m-rtfm?rev=da675dc3)",
- "heapless 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heapless 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rtfm-core 0.3.0-alpha.1 (git+https://github.com/japaric/rtfm-core)",
 ]
 
@@ -137,7 +137,7 @@ dependencies = [
 
 [[package]]
 name = "heapless"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "as-slice 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -279,7 +279,7 @@ name = "serde-json-core"
 version = "0.0.1"
 source = "git+https://github.com/quartiq/serde-json-core.git?rev=fc764de#fc764deb8dfb82e5cfcc6c5059d8d5c3031e0591"
 dependencies = [
- "heapless 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heapless 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -311,7 +311,7 @@ dependencies = [
  "cortex-m-log 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rt 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "cortex-m-rtfm 0.5.0-beta.1 (git+https://github.com/japaric/cortex-m-rtfm?rev=da675dc3)",
- "heapless 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "heapless 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "panic-semihosting 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -401,7 +401,7 @@ dependencies = [
 "checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
 "checksum generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0ed1e761351b56f54eb9dcd0cfaca9fd0daecf93918e1cfc01c8a3d26ee7adcd"
 "checksum hash32 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "12d790435639c06a7b798af9e1e331ae245b7ef915b92f70a39b4cf8c00686af"
-"checksum heapless 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c6c7ce2e47016f34d17acbf2fe5f9e0337ea59d2ab8ceecd9405b2336ffaca9b"
+"checksum heapless 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f339aa7d51777fc0af6aa7cbeb277dfc6e6c029cbdeda48d0fbb92c2337f0e69"
 "checksum indexmap 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a4d6d89e0948bf10c08b9ecc8ac5b83f07f857ebe2c0cbe38de15b4e4f510356"
 "checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
 "checksum managed 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fdcec5e97041c7f0f1c5b7d93f12e57293c831c646f4cc7a5db59460c7ea8de6"