[TASK] Refactors toolbar widget
[TASK] Refactors config hook
[BUGFIX] Removes unneeded value from getPositionByOffset calculation
[TASK] Adds smarter code for cloning panels
[TASK] Removes unnecessary/unused check
[TASK] Refactors cloned panel distribution
[BUGFIX] Fixes container size to the next full pixel (ceiling of float)
[TASK] Removes obsolete member variables
[TASK] Adds 'use strict' statement
[TASK] Leaves before array untouched
[BUGFIX] Prevents some possible endless loops
[TASK] Builds slider.js and slider.min.js
[BUGFIX] Fixes visibility for smin (before cloned panels)
[BUGFIX] Toggles info box only when position really changes
[BUGFIX] Improves touch handling compatibility
[TASK] Cleans up css inline style settings
[TASK] Scales swipe speed for better handling on small screens
[TASK] Builds slider.js and slider.min.js