Added year and month navigation to Calendar
Fixed a few minor keyboard navigation glitches in menus
Fixed bug in Tools.ModelToElement mixin when using numbers as model ids
Fixed a few minor keyboard navigation glitches and sizing of large menus
Added new a option "active" to menu.show
Bugfix menu
Bug fix Controls.Text accepted a newline if validation failed.
Merge remote-tracking branch 'upstream/develop' into develop