added option to include LuaCov, initial commit
added option to include LuaCov, initial commit

ryanplusplus/busted,leafo/busted,xyliuke/busted,Olivine-Labs/busted,istr/busted,mpeterv/busted,DorianGray/busted,azukiapp/busted,nehz/busted,o-lim/busted,sobrinho/busted