Revert "Reverted xml3d.js back to the stable version, because the development version is too buggy."
Change xml3d.js back to the development branch, because there was problems getting video feed on mobile devices when the main branch was used.
This reverts commit 92db0004b26ae581437c94162896793a76419a16.
QuerySelector returned always null on Firefox.
Map functions to variables, fixes a null object bug on Firefox.
Minor changes.
Merge branch 'dev' of https://github.com/Chiru/WeX into dev