Slider: Remove unused variable

sliderLabel variable is not used.
Core: Min height for empty toolbars. Fixes #6258.
Quality: Fixed lint ( function in loop )
Extracted regex construction from loop into a module var
Flipswitch: Fix incorect css file name in pragmas
Build: Images were missing from the dist/images directory and therefore from the zip file
Build: Only clean:dist when releasing because really that's all we need
Slider: Remove optionDemultiplexer.
Build: Fixed various archives where files where missing
Removed theme files from  CDN zip
Build: Fixed demos build
Split files.css by type
Build: Fixed js and css targets
Theme: Correction of the selector for the rule that set different border-radius for checkbox icons.
Merge branch 'issue-6258'
Slider: Linting.
Autoinit: Add wrapper to $.widget to inject default initSelector to widgets, add enhanceWithin function to helpers
Autoinit: Remove registry and replace with new auto init
Content Widget: Remove mobile base widget
RangeSlider: Remove optionDemultiplexer.
Widget Factory: update to lastest from ui
Checkboxradio: ensure proper input order is maintained in the dom durring enhancment. Fixes #339 - Checkboxes don't work when used with ROR checkbox helper
Autogrow: fix height calculation to account for borders Fixes #6180 - Autogrow: calculated height contains border height and Fixes #6178 - Textinput: height not correctly calculated due to box-sizing thanks @jhogervorst