permissions saving fixed in configuration edit form
added generic URI in language switcher
added generic posthandler functions handler for saving translation fields
added two posthandler functions for translation fields
expanded configurations view with the list of extensions
Merge pull request #259 from Kixo/RSBTB-1398_permissions_saving_fix

permissions saving fixed in configuration edit form
[update] Select 2 From 3.4.2 to 3.5.0
Merge pull request #260 from gunjanpatel/update-select2-3.5.0

[update] Select 2 From 3.4.2 to 3.5.0