Add CherryPy recipe

CherryPy implements a WSGI server.  I am planning on using it
for the REST server initially.  WSGI is very modular so a
better server can be dropped in later if one is available.
diff --git a/common/recipes-devtools/python/CherryPy_3.8.0.bb b/common/recipes-devtools/python/CherryPy_3.8.0.bb
new file mode 100644
index 0000000..22a56fc
--- /dev/null
+++ b/common/recipes-devtools/python/CherryPy_3.8.0.bb
@@ -0,0 +1,4 @@
+require CherryPy.inc
+SRC_URI = "https://pypi.python.org/packages/source/C/${BPN}/${BP}.tar.gz;name=tarball"
+SRC_URI[tarball.sha256sum] = "ffcdb43667d4098247efaf8c82dd36d3dd4f8e5dc768ef5e90b480899e523bea"
+SRC_URI[tarball.md5sum] = "542b96b2cd825e8120e8cd822bc18f4b"