Introduce Speed instead of Pitch/Rate, to match other place in Mixxx and Manual
https://bugs.launchpad.net/mixxx/+bug/1283190
User Speed term for combined Pitch/Tempo control in ControlPickerMenu
Fix some var names and comments to Speed = Pitch / Tempo
removed unused getPitchIndpTimeStretch()
Playback Speed without Slider
Increase/Decrease Speed
replace pitch-bend with Temporary Increase/Decrease Speed
Add a (Vinyl "Pitch" slider) hint
Temporary -> Temporarily Up -> faster down -> slower
Improved tooltip of the Speed Range combobox
Added Adjustment to the group box headers
Removed key and tempo related parts of speed tooltip, Edded space before %
Merge pull request #409 from daschuer/speed_rename

Speed rename