Simplify code - bail out early, vreak loops early, reorder checks and declarations.
Merge pull request #336 from Dmitry-Me/SimplifyCodeBreakLoopsEarly

Simplify code - bail out early, vreak loops early, reorder checks and declarations
Tokenizer: Removed Tokenizer::simplifyConditionOperator(). Using the AST and ValueFlow, it should be much easier to parse ?: than before.
std.cfg: configure standard types
CheckIO: Handle library types