adding publish workflow to blockbundle
#97 : Refactor multilang admins : Remove every multilang classes and declarations
#97 : Refactor multilang admins : Implement translatable interface for Simple and String blocks
#97 : Refactor multilang admins : Implement translatable interface for Imagine and Slideshow blocks
#97 : Refactor multilang admins : update changelog
#97 : Refactor multilang admins : dbu review corrections
#97 : Refactor multilang admins : dbu review corrections