Filter effect
Coding style fixes
Yet another style fixes
TODO about sample rate bug in filter effect
Style fixes
Add defalut old_depth to EngineFilterEffect construct, delete push button and knob in destructor
Fixing of default value in EngineFilterEffect's constructor
Correct sound ramping, when filter's depth is 0.0f
Rearrange filter logic to be cleaner.
Use highpass filter only if depth > 0.0f
Add depth into applyFilters function, to avoid clicls near 0 depth
Merge pull request #58 from xorik/filter

Filter effect
Fixing beatloop start position, when beat length<1
Minor style fix
Call getCurrentSample() only once
Graphical example for quantized beatloops
Merge pull request #62 from xorik/beatloop-fix

Fixing beatloop start position, when beat length<1
fixed racecondition with EngineControl::getCurrentSample()
Code style fixes in EngineMaster
Add Hercules Mk4 Support, fixes https://bugs.launchpad.net/mixxx/+bug/1213752