introduces setInner function
Introduced setAndConfirm function
emit valueChangeRequest if connected
Use new request signal for CO "Play"
minor style change
Filter effect
Coding style fixes
Yet another style fixes
TODO about sample rate bug in filter effect
additional docu and fixes from review
fixed widget toggle state
fixed CO "play" meaning to "play command accepted". This makes a
differnce only during loading a track. Now "play" becomes always 1 when
a track command is received while loading.
removed debug output
fixed access to a NULL Track in PlayerInfo, fixes Bug #1210289
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
Remove virtual EngineFilterButterworth8::setFrequencyCorners(), remove unused freqCorner2 in Low and High filter (fix warnings)
Merge pull request #61 from xorik/butterworth-warning-fix

Fix warnings in enginefilterbutterworth8.cpp