+allowNull
moved to JDK8 joda time implementation
react better to changes in locale
better handle locale switching
+disabledCalendars
+highlightedCalendars

Conflicts:
	src/main/resources/jfxtras/labs/internal/scene/control/CalendarPicker.css
changed highlighed / disabled API to match Agenda's
added show weeknumbers (-fxx-show-weeknumbers:NO;)
fixes
fixing stuff for the samples
react to changes in disabled or highlighted calendars
fixed javadoc
Like announced I removed nearly all of my controls from the Master 8.0 branch ( I hope I did not break something )
Modifications related to removing most of my controls from Master 8.0 branch
Further modifications related to removing controls from Master 8.0 branch
Added timed dialog functionality, still cleanup tasks to go.
Fixes for javadoc and tests

Fixes so the build will run successfully including:
* javadoc errors corrected
* build script hacked to work around Gradle Java 8 class scanning issue
* Spinner test focus issues fixed
Merge branch '8.0' of https://github.com/JFXtras/jfxtras-labs into 8.0