- add bootstrap-modal to libs
Merge branch 'develop' into feature-mp-bootstrap-modal
- Converted ModalDialog.cs to from ajax modal to bootstrap-modal (ModalIFrameDialog not converted yet)
Merge branch 'develop' into feature-mp-bootstrap-modal
- remove AjaxControlToolkit
- started on refactoring ModalIFrameDialog to use bootstrap-modal
Merge branch 'develop' into feature-mp-bootstrap-modal
Merge branch 'develop' into feature-mp-bootstrap-modal
Merge branch 'develop' into feature-mp-bootstrap-modal

Conflicts:
	Rock/Web/UI/RockPage.cs
- Modal IFrame using bootstrap-modal is functional, but has a few bugs to work out
Merge branch 'develop' into feature-mp-bootstrap-modal
Merge branch 'develop' into feature-mp-bootstrap-modal
- ModalIFrameDialog now functional
- fixup how modal resizes and reacts to pickers, etc
Merge branch 'develop' into feature-mp-bootstrap-modal
- fix up copyright headers
- fix FileUploader doing a postback even if doesn't need to
- CkEditFileBrowser getting a Javascript error that started showing up after switch to bootstrap-modal.  manual __doPostBacks were firing too early in the lifecycle
- changed ModalDialog (bootstrap-modal) to specify the 'manager' per modal instead of globally
- add bootstrap-modal to license.aspx