Fix multiple divider on rebuild().

Divider was not removed on rebuild so each rebuild would add a new divider.

Remove/clear multiselect instance from select element upon calling 'destroy'.

Select-All performance improvement.

Remove multiple $(event.target) object creation.

-> Drastic performance improvement to the "Select All" button

Conflicts:
	js/bootstrap-multiselect.js

#270, #263, #260, #262, #261, #235. New option: includeSelectAllIfMoreThan. Fixed issues with select all and dividers. Updated documentation concerning show/hide event.

Fixed the error "Cannot read property 'is' of undefined " when applying ...

Fix filterBehavior 'both'.

Fixed the error "Cannot read property 'is' of undefined " when applying "includeSelectAllOption" and "includeSelectAllDivider" options

includeSelectAllDivider option including documentation.

Full Knockout Support.

Bootstrap 3.1.1, jQuery 2.1, merged 2-3-2 branch with master (2.3.2 version also working with master branch). Updated documentation and examples. Added FAQ.

Add disabled class to group list item if optgroup disabled

Fix 'Select All' when there are dividers

fix typos

Fixes #228: added this.options in the mergeOptions .extend

Merged with latest version to issue a pull request to the real repo