Try to factorize using tuple
Use variadic recursion to expand tuples

It's quite non trivial to do but it should save a lot of typing later.
Factorize spheremap too.
Factorize Unlit material
Factorize detail mat too
Fix linux compilation
Factorize transparent materials too
Use const ref in recursive variadic template unroll_arg<>::exec
Factorize all first pass materials.
Enable CPP2011 on linux.
Disable WIIUSE by default on linux.
Merge branch 'renderFactorisation'