Returned to older version of IsStreamable
- this time based on code from Martin Moene
https://gist.github.com/martinmoene/5418947#file-insertionopdetector-cpp
Complete disable CATCH_SFINAE for now
Build 35
- non-SFINAE IsStreamInsertable
Changed implementation of string maker variant for VC6

Merge commit '003960dc902b0837a9a23483eb5f1eda99a9d851' into merge-up-int

Conflicts:
	include/internal/catch_tostring.hpp
Merge commit '9fff9e47d344317f8f2f0e82c505b40666b44b54' into merge-up-int
Build 35

Merge commit 'dd52044374ef7e91eea9a7add4e9a4564a9a9196' into merge-up-int

Conflicts:
	README.md
	single_include/catch.hpp