New features

Added body classes to display content type information as well as front and not-front classes.

change since alpha2:
1, fix uninstall error.
2,make label use select input
3,add has data check
4,make string settings max length works.

Change since rc6:

• Issue #2972983 by MikeTheBoat: Allowing/disabling event overlap in calendars

New H5P core version (1.15) which communicates to the client if reporting is enabled.
Minor changes in JS to support webpack.
Minor changes in CSS to improve placement of "disable fullscreen button".
Issue #2936079 by freelock: h5p_settings gets updated too often
HFP-1921 Fix incorrect permission check crashing

New H5P core version (1.15) which communicates to the client if reporting is enabled.
Minor changes in JS to support webpack.
Minor changes in CSS to improve placement of "disable fullscreen button".