Merge pull request #1 from LMMS/master

Rebase from original
Remove unused and unnessary +" " in all knob.setHintText calls
missed a couple of + " ", all sored now
Remove whitespace from setHintText,  change spaces to tabs
Merge pull request #1422 from curlymorphic/removewhitespace

Remove white space from Knob::setHintText calls