replace auto with auto& in some range-for loops
replace assert() with BOOST_ASSERT_MSG()
clean log messages in ads::provider::Chartboost
fix caching of next interstitial in ads::provider::Chartboost
fix some payment problems with assert in release mode
if-else in iOS GameCenter refactored to be more readable
add additional parentheses to preprocessor makro
Merge pull request #32 from michaelcontento/various-small-stuff

Various small stuff