Fix typos in Key Detection preferences pane
Update translation templates. Found 1330 source text(s) (97 new and 1233 already existing). Kept 12 obsolete entries
MSVC really does need an intermediate int cast
Cosmetic change in “Relocate to directory” dialog
make build script pep8 conform

I hate that my pep8 checker goes crazy everytime I open one of them
revert changes to 3rd party files

protoc.py, qt*.py should be handled by upstream
Fix tooltip in key preferences.
fix errors from autopep8
Rename DlgPrefPlaylist to DlgPrefLibrary.
convert tabs to spaces
Merge pull request #107 from kain88-de/tabs

convert tabs to spaces
Merge pull request #106 from kain88-de/pep8-scons

make build script pep8 conform
tabs to spaces also in cpp files
Strip \r from all src/ files.
WPushButton can be connected to a dedicated indicator CO, + Some
refectoring for code style.
Sending allway ..Up() signal when a pushbutton is released
Introduced LONGPRESSLATCHING button Syle
Removed <RightClickIsPushButton> because it is not needed.
Only create one QApplication (in GUI-mode) per mixxx-test run.
Minor optimization to BeatGrid::findNthBeat.