Build 16
Added google group to README
Changed the way info messages are handled.
This fixes issue with SCOPED_INFO and makes output more readable.
Needs some refactoring.
Removed deprecated message code
Merge commit 'd658dea1dde0ac5cf1a426f3246056f2326e204a' into merge-up-int

Conflicts:
	single_include/catch.hpp
Merge commit '207b27b3c5ff52782c9af651b29bfb73f35d9a51' into merge-up-int

Conflicts:
	include/internal/catch_capture.hpp
Merge commit 'ad654867f1c5a78b4d9f892e7ac68352bbc2ffda' into merge-up-int
Build 17 - includes reworking of message/ info handling