change license to GPL in scripts

conda/artiq-kc705-nist_qc1/meta.yaml

@@ -23,5 +23,5 @@ requirements:
 
 about:
   home: http://m-labs.hk/artiq
-  license: 3-clause BSD
+  license: GPL
   summary: 'Bitstream, BIOS and runtime for NIST_QC1 on the KC705 board'

conda/artiq-kc705-nist_qc2/meta.yaml

@@ -23,5 +23,5 @@ requirements:
 
 about:
   home: http://m-labs.hk/artiq
-  license: 3-clause BSD
+  license: GPL
   summary: 'Bitstream, BIOS and runtime for NIST_QC2 on the KC705 board'

conda/artiq-pipistrello-nist_qc1/meta.yaml

@@ -23,5 +23,5 @@ requirements:
 
 about:
   home: http://m-labs.hk/artiq
-  license: 3-clause BSD
+  license: GPL
   summary: 'Bitstream, BIOS and runtime for NIST_QC1 on the Pipistrello board'

conda/artiq/meta.yaml

@@ -62,5 +62,5 @@ test:
 
 about:
   home: http://m-labs.hk/artiq
-  license: 3-clause BSD
+  license: GPL
   summary: 'ARTIQ (Advanced Real-Time Infrastructure for Quantum physics) is a next-generation control system for quantum information experiments. It is being developed in partnership with the Ion Storage Group at NIST, and its applicability reaches beyond ion trapping.'

setup.py

@@ -56,7 +56,7 @@ setup(
     url="http://m-labs.hk/artiq",
     description="A control system for trapped-ion experiments",
     long_description=open("README.rst").read(),
-    license="BSD",
+    license="GPL",
     install_requires=requirements,
     extras_require={},
     dependency_links=[