galaxy updates

better error reporting on fetching errors
use scm if it exists over src
unified functions in requirements
simplified logic
added verbose to tests
cleanup code refs, unused options and dead code
moved get_opt to base class
fixes #11920
fixes #12612
fixes #10454

lib/ansible/utils/module_docs.py

@@ -63,6 +63,7 @@ def get_docstring(filename, verbose=False):
                         theid = t.id
                     except AttributeError as e:
                         # skip errors can happen when trying to use the normal code
+                        display.warning("Failed to assign id for %t on %s, skipping" % (t, filename))
                         continue
 
                     if 'DOCUMENTATION' in theid:
@@ -119,6 +120,7 @@ def get_docstring(filename, verbose=False):
     except:
         display.error("unable to parse %s" % filename)
         if verbose == True:
+            display.display("unable to parse %s" % filename)
             raise
     return doc, plainexamples, returndocs