CSS and Javascript files are not being loaded in AJAX request by default.
Marked `Bootstrap.plugins` as deprecated starting from version 2.0.0
Added note in CHANGELOG about `ajaxLoadCSS` and `ajaxLoadJS`.
Added ID to click action in TbRelationalColumn to avoid conflicts on pages with mulitple TbExtendedGridViews #670
Replaced the Bootstrap-notify.js library from https://github.com/Nijikokun/bootstrap-notify with Notify.js library from http://notifyjs.com/
Removed blank line
Upgraded BootBox library to 3.3.0 and moved it into separate package.
Updated installation instructions.
Added notes about BootBox.js and Notify.js to CHANGELOG.
Merge pull request #671 from timothynott/TbRelationalColumnTweak

Added ID to click action in TbRelationalColumn to avoid js conflicts
Removed unused code.
Small changes to docblocks.
Marked more widgets which has user-level documentation pages.
Merge branch 'master' of github.com:clevertech/YiiBooster
Update packages.php

solves https://github.com/clevertech/YiiBooster/issues/672
(cherry picked from commit e72ed3b)
Added fix from #672 & #673 to CHANGELOG
Bootstrap DateRangePicker updated to 1.2, moment.js updated to 2.2.1
Merge pull request #674 from Hrumpa/daterangepicker-1.2

Bootstrap DateRangePicker updated to 1.2, moment.js updated to 2.2.1