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