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
Fixed language error

conctato -> contacto (line 49)
Update buttons_lang.php

Translated last 2 buttons
Update files_lang.php

Translated some missing translations
Update permission_lang.php

Fixed missing T on line 4, word: apartir
Merge branch '2.3/develop' of git://github.com/pyrocms/pyrocms into 2.3/develop
Style tweaks and slight improvements to variable installation
Merge pull request #2970 from eSkiSo/patch-4

Update permission_lang.php
Merge pull request #2968 from eSkiSo/patch-2

Update buttons_lang.php
Merge pull request #2967 from eSkiSo/patch-1

Fixed language error
Merge pull request #2973 from obrignoni/2.3/develop

2.3/dev Fixed Pages tree sorting and deleting
Merge pull request #2969 from eSkiSo/patch-3

Update files_lang.php
We actually require 5.3.7.
Style
Merge branch '2.3/develop' of git://github.com/pyrocms/pyrocms into 2.3/develop
Misc cleaning up

Gotta continue getting old drivers out of core integration..
Merge branch '2.3/develop' of github.com:pyrocms/pyrocms into 2.3/develop