Moved all tests to new frame-generator + Fixed `tweens` test and several more + Found that only `playing` and `modes` cause errors, may be because they do not use jasmine.runs ..."
fix for some playing specs (effect not checked on the others)
fix all specs in playing except one
fixed playing tests
working on catching errors in frame-generator
fix errors spec by adding option to run frame-generator synchronously in special cases
no need in different option for browser or terminal in frame-generator
Merge branch 'frame-generator-fix' into code-documentation