Added pauseFilter() to skip old filter fading when it is still invalid
This is the case after pausing ther filter or just after starting
Merge branch 'master' of https://github.com/mixxxdj/mixxx into effect_graphic_eq
Remove empty lines from enginefilteriir.h
Pause filter if it is not processed
Minor coding style improvements
Pass Biquad filter's Q parameter to setFrequencyCorners()