Merge pull request #1 from Tyilo/path-fix

Make file paths OS agnostic
fix layout for raffleframe and raffleimageframe
cleanup, move resource panel, label and textfield to a new class
Merge pull request #2 from Tyilo/custom-dropboxdir

Save custom path in ~/.rafflegrabber
changed windows save location to %APPDATA%; added logging; fixed layout for dropboxpopup
Use screencapture utility on OSX to capture images

This should fix the weird color issues.