Updates to release v1.4.0

Fix kartik-v#85: Correct locale files to use `kvDatepicker` modified …

…plugin instance

Fix kartik-v#84: Update to latest version 1.6.x of `bootstrap-datepic…

…ker` plugin

Update to release v1.3.7

Update to release v1.3.6

Fix kartik-v#65: Enhance styling for INLINE layout

Update to release v1.3.4

Update to release v1.3.3

Fix kartik-v#25: Improve validation to retrieve the right translation…

… messages folder

Upgrade to release v1.3.1