Convert action.php to http/controller style

Convert more functions to http/controllers

Update dependencies

Convert expanded view of chart boxes to use http/controller

Fix: #1660 missing arrow icons on LTR pages

Update package dependencies

Fix: #1601 and #1580 - remove eonasdan/datetimepicker

Need to manually load bloodhound

Update jQuery and Font Awesome

Remove MSDOS line endings

#1577 Sortablejs does not load via import

Revert "#1577 - sortablejs missing from vendor.sh"

This reverts commit 657088a57cfab05bdd629ceb46d6004930a9c089.

#1577 - sortablejs missing from vendor.sh

Happy new year - 2018

Fix: #1567 - downgrade select2 from 4.0.6-rc.2 to 4.0.5

Use npm/webpack/babel/laravel-mix to manage and bundle assets