Added board module to Karybu core
[#50263005] Removed the prefixed "x_" bootsrap classes
[#50263005] Skinned index page; replaced some more prefixed classes.
[#50263005] Added some missing functions and fixed some issues with the new kernel and board; skinned the insert board view;
Merge branch 'master' of https://github.com/arnia/Karybu into board

Conflicts:
	common/lang/lang.xml
Fixed common/lang/lang.xml conflict.