Fixed upgrade guide link and license date
Merge branch '2.2/develop' of github.com:pyrocms/pyrocms into 2.2/develop
Merge branch '2.2/develop' of github.com:khalil-tabbal/pyrocms into 2.2/develop
Merge branch '2.2/develop' of github.com:pyrocms/pyrocms into 2.2/develop
Merge branch '2.2/develop' of github.com:pyrocms/pyrocms into 2.2/develop
bugfix

If I try to get the fields of a streams with a skips array, get_stream_fields ignore my skips array because cache ignore skips array.
Field saving issue fix (missing entry id)
persian lang (addons)
persian lang (main)
persian lang (blog)
persian lang (comments)
persian lang (contact) + rest of comments
persian lang (files)
persian lang (groups)
persian lang (keywords)
persian lang (maintenance)
persian lang ( Navigation)
persian lang ( Pages)
persian lang (Permissions)
persina lang ( Redirects )