Lambom gem now compiles from github source code and rev specified in LAMBOM_REV env var
Using berkshelf default installation in omnibus-software
postinst creates link to berks
	modified:   config/projects/riyic.rb
	deleted:    config/software/berkshelf.rb
	modified:   config/software/lambom.rb
	modified:   package-scripts/riyic/postinst
Added berkshelf as riyic project dependecy
Build lambom from github repo, with rev =  LAMBOM_REV || master

	modified:   config/projects/riyic.rb
	modified:   config/software/lambom.rb