Remove unused "is_agent_opera95" function
Extract release preparation stuff from default gulp task

Fixes #62
Don't use global environment in "setup_chatview_for_operator" func
Don't rely on internal Router structure
Don't use global environment in "setup_chatview_for_user" func
Remove unused function "get_app_location"
Don't use MIBEW_WEB_ROOT in get_current_locale func
Move Handlebars.php helpers to separate classes
Move takeover confirmation page template to chat style
Reduce code duplication in Handlebars powered styles
Create "route" Handlebars.php helper
Move protected AbstractController::getStyle method to the end of the class
Use "route" helper in pages style
Create a helper to generatate URLs with CSRF protection
Fix URL for ban edit page
Use stylePath variable instead of tplRoot in chat templates
Generate links for Users JS App in the controller
Use "route" helper to generate URLs in chat style
Remove unused use statement
Use "mibewRoot" only in file paths