Fix ajax call for file: and ftp: #73
Use ActiveX on IE when requesting a file: URL with ajax.
Test if activex is available by trying to create one for ie11 compatibility.
Add @private to internal methods.
MouseTracker Touch Fixes - Flick Defaults and Bubbling

Flick gesture settings defaults set to better values.
Removed touch event model bubble cancelling so viewer controls show on
touch contact.
Stiffened the spring
Prefer DOMParser over ActiveX when both are availables.
iOS touch enter/exit fix
iOS touch enter/exit fix for BUttonGroup
Merge pull request #379 from avandecreme/ajax-file

Fix ajax call for file: and ftp: #73
Changelog for #379
Merge pull request #387 from msalsbery/Touch-Enter-Event

MouseTracker Touch Fixes - Flick Defaults and Bubbling
Merged upstream changes, fixed conflicts