some code cleanups
Fix possible race condition with seek positions on 32 bit architectures
Some minor refactoring of seek queue
Some coding style fixes
removed null seeks when changing scale or direction
Removed null play button sets. This fixes Bug #1276842 endles loops with quatize enabled
fixed double getPhaseOffset() call when pressing play and quatized on
fix sign missmatch warning
Updated to letest deverloper_skins
Merge pull request #174 from daschuer/sync_enabled

Endless Loop fix with quatize on + some refactoring