codar-cheetah: Added version 0.5 (#14487)

* codar-cheetah: Added version 0.5

* codar-cheetah: Dropped v0.1 as it was not built as a Python package.

var/spack/repos/builtin/packages/codar-cheetah/package.py

@@ -6,20 +6,18 @@
 from spack import *
 
 
-class CodarCheetah(Package):
+class CodarCheetah(PythonPackage):
     """CODAR Cheetah:
     The CODAR Experiment Harness for Exascale science applications.
     """
 
+    maintainers = ['kshitij-v-mehta']
+
     homepage = "https://github.com/CODARcode/cheetah"
     url      = "https://github.com/CODARcode/cheetah/archive/v0.1.tar.gz"
     git      = "https://github.com/CODARcode/cheetah.git"
 
-    version('develop', branch='master')
-    version('0.1', sha256='281564f8ae57a70ce28457616fde26247ea4efb29e55c7bf89a782a259a1a028')
-
-    depends_on('python@3:', type=('build', 'run'))
-    depends_on('savanna')
+    version('develop', branch='dev')
+    version('0.5', sha256='f37a554741eff4bb8407a68f799dd042dfc4df525e84896cad70fccbd6aca6ee')
 
-    def install(self, spec, prefix):
-        install_tree('.', prefix)
+    depends_on('python@3.5:', type=('build', 'run'))