Document options for accordion and tabs
Add size, vertical, and justified options to button-groups
Document button group parameters
TinyMCE drop-down for columns

Options are 2, 3, 4, 6, and 12, all with the "md" responsive width set.
I figured this was a decent default.
TinyMCE drop-down for list-groups
TinyMCE drop-downs for tabs and collapsibles
Re-order MCE buttons
Move TinyMCE buttons to feature branch
Restore tooltip js
Merge branch 'bootstrap3' of github.com:FoolsRun/bootstrap-shortcodes into bootstrap3

Conflicts:
	bootstrap-shortcodes.php