Variadics support for BDD macros (scenarios)
Minor tidy up
tags can be specified using -t (or as default command)
Previously -g had to be used
build 27
Merge commit '444f4ddc602018e2093c90ed5d28fe2b2c66a911' into merge-up-int
Merge commit '49d7ce40e864951a94f83e863335a2538597ff10' into merge-up-int
Merge commit '3453639732c924b762f4e1e7e972d782bc2a9117' into merge-up-int

Conflicts:
	include/internal/catch_commandline.hpp
Build 27