* [Equalizer] Bright analyzer colors, opacity incr
Brightened spectrum analyzer colors and increased opacity a tad to make more visible
* Fixed RGB Value
* Update EqControlsDialog.cpp
* Fixed color change
* Changed colors again
* Fixed colors, now brighter and bluer
* Ok, its actually bright now lol
* redesign of EQ plugin
* correct some symbols
* set pixelPerUnitHeight to float
* change textcolor of inactive handles to white
* revert changes in styles.css
* change grid color/adjust Fontsize of info box / change analizing color
* range changed (20 - 20000 Hz) / display width increased
* Update the EQ faders and remove unused files
* Increase transparency of the graph
* corrects the filter fader peak
* makes fader peak display more useful
* Implement @zapashcanon's suggestions
* calcuculate curve path only when data has changed
* calculate spectrum analyzer only if signal input
* code clean up / coding conventions
* changes according coding guidelines/performance improvements in spectrum analyser/curves painting
* minor changes/white spaces
* change init order
* connect analyze view to gui->mainWindow()->periodicUpdate()
* consolidate some functions (d.r.y.)
* minor syntax changes
* fixes a right mouse button bug
* correct steepness of flanks in high and low pass filters
* Whitespaces
analyser now disabled when not in view.
band vu meters now disable when analyser is disabled.
display nema changed to Equalizer.
set sample rate before frequency on LinkWitzRiley filters.
Grouped the setting of filterparameters into one function, and calc coefficent
once if needed.
Made suitable function inline.
in and out vu meters now using both stereo channels
