CC 5030
Merge branch '2.6.x' of github.com:sourcefabric/Airtime into 2.6.x
CC-5450 : Refactor Media Management (Classes/DB) in Airtime

column filter now sends data in proper field.
starting to fix up datepicker defaults in common.js, avoid repeating options.
CC-5450 : Refactor Media Management (Classes/DB) in Airtime

advanced search is working for dates, numbers and strings
CC-5450 : Refactor Media Management (Classes/DB) in Airtime

fixing some search issues
CC-5450 : Refactor Media Management (Classes/DB) in Airtime

putting in proper paging for media tables
Merge branch '2.6.x' of github.com:sourcefabric/Airtime into 2.6.x
CC-5450 : Refactor Media Management (Classes/DB) in Airtime

adding advanced search to all media tables.
CC-5450 : Refactor Media Management (Classes/DB) in Airtime

don't want to prevent default.
CC-5450 : Refactor Media Management (Classes/DB) in Airtime

working select all/none dropdown.
fixing up datatables plugins. migrating to submit on enter for search.
Merge branch '2.6.x' of https://github.com/sourcefabric/Airtime into 2.6.1