Merge pull request #2819 from infograf768/contentlang

Content Languages: prevent saving white spaces for url language code and Language Tag
Prevent saving Content Language Access as Guest
Start fixing code style
Merge pull request #2827 from wilsonge/patch-6

Codestyle
Correcting patch. Thanks Thomas
# [33051] category not prefilled on new article creation from filtered articles
Filter images in JFormFieldImageList

Filter attribute has to be set before field is setup. Otherwise filter would not be used and there are all files from folder in a drop-down
Update imagelist.php

Corrected mistake
Codestyle [32427] Banners form field PHPCS fixes
Fixes #1907
Update imagelist.php
Merge pull request #2729 from infograf768/tinyupdate4012

[33047] Updating TinyMCE to 4.0.12
Merge pull request #2829 from phproberto/33051

# [33051] category not prefilled on new article creation from filtered articles
[#33016] No Extension Manager entry for PHPass [3.2.x] (Fix #2703)
Copyright correction
Adding new ini file in install.xml
[32427] PHPCS Fixes for Mod_menu, thanks George Wilson
Fix #1915
Merge pull request #2826 from infograf768/contentlangaccess

[#33086] Guest Access should not be used for Content Languages
Will also port to 2.5
Updating install.xml admin
Copyright updates
[#] [33184] Prevent using 'menu' as menutype as this is reserved for
back-end menus
Fix #2843