Merge pull request #4 from mboynes/master

Adding chosen.js support for single select dropdowns
add support for hierarchical taxonomy listing in Fieldmanager_Options
remove htmlspecialchars in option display
Merge branch 'master' of github.com:netaustin/wordpress-fieldmanager into xmatt
Plugged massive memory leak with large taxonomies and preloading data
fix fieldmanager bug with repeating terms
make view and edit links work properly on fieldmanager-post
Merge remote-tracking branch 'remotes/origin/xmatt'
updates to use presave_alter for managing taxonomy term data
Updated class-fieldmanager-options to always pull in terms previously selected in the field even if preload is false
Added presave to class-fieldmanager-options to avoid errors in main presave method since arrays may be present
Fix for invalid handling of taxonomy field data
Prevented all Fieldmanager js/css from ever loading on the front end
Added add_option_data field to better manage the data attribute and fixed attaching taxonomy terms from multiple taxonomy fields
Updated code for pre-populating optgroups to handle multiple taxonomy fields with no current terms selected
update media field JS to use attachment_id instead of guid. Add remove link below images. Support arbitrary class to pass to wp_get_attachment_image.
code cleanup
Merge pull request #6 from netaustin/xmatt

media field fixes
media field now uses 3.5 uploader and integrates properly with its javascript API to get attachment ids. much better.
add the draggable post selector class and associated js and css