Unify user:profile_* and profile_* lang keys
Merge branch '2.3/feature-PSR-Streams' of git://github.com/pyrocms/pyrocms into 2.3/develop

Conflicts:
	system/cms/modules/users/views/admin/users/form.php
Register all modules src folder, not just Addons
Merge branch '2.3/develop' of git://github.com/pyrocms/pyrocms into 2.3/develop
Style tweaks and slight improvements to variable installation