- Move modal styling to variables

and cleanup whitespace
- Modal footer styling
+ added "Include Child Groups" option to the "In Group" and "Not in Group" Person dataview filters
- fixes bug whereby you can't unselect a previously selected item in the Bookmarked Attributes (KeyAttributes block) (Fixes #721).
- Modal styling

and whitespace cleanup
Merge branch 'feature-ns-modal-changes' into develop
- fix tinyscrollbar not letting you touch and drag within a horizontal scrollbox (fixes GroupViewer being hard to scroll on mobile devices)
+ Fix HTMLEditor issue in IE when toggling between source and WYSIWYG modes (Fixes #588)
- fix FileUploader and ImageUploader to default the BinaryFileTypeGuid to "DEFAULT" instead of Guid.Empty if a BinaryFileType is not specified. Also, the next migration will fix up the File/Image attributes to have the correct BinaryFileTypeGuid (fixes #725)
- change label text for InGroupFilter
+ Twilio SMS transport will now report back messages that are undeliverable. (Fixes #715)
- Configure AjaxControlToolkit.ToolkitScriptManager to not combine scripts in attempt to avoid common exceptions caused by Ajax Toolkit.
- Updates to background check migration/code
- fix REST returning Unauthorized if you are logged in using impersonation (fixes #723)
- Update rendering of lava debug information to return html vs just a json object
- Fix how checkin objects liquidized their properties
- mirgration to update DISC info
+ Add ability to delete channel items from the Tools > Content page