MISC: remove imagex_blog dependency
CORE:  README files added, permissions and workflow seperated into extension modules.

TODO: extension module README
MISC: removed old reference to user_roles_permissions
CORE: README for extension modules
MISC: title change
MISC: added mssing dependencies to parent
MISC: title & description updates
MISC: description change to match others
CORE: updated to match new README standards for descriptions, and ImageX Components
Merge pull request #7 from emmairwin/qa_and_extension_modules

Qa and extension modules