Cosmetic change
Remove unnecessary operation for UNARY_POSITIVE
Cosmetic change
Extract equals operation to compiler_equals.cc
Split breaker compiler code into compiler_{arithmetic, bitwise, comparison}
Add double fast path to compare operations
Add hot code counter to railgun::Code
Fix compile error
Merge branch 'master' into llvm

Conflicts:
	iv/lv5/CMakeLists.txt
Merge branch 'llvm' of github.com:Constellation/iv into llvm