Add polish.txt (as a copy of english_us.txt)
Start translating polish.txt
Clean up most of the inline assembly from windows
Fix coordinate type to avoid invalid cast
Maybe this will statisfy Travis
add polish language entry, #329
Merge branch 'adrian17-polish_language'
Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2
Merge pull request #330 from qcz/window-staff-registers

Clean up most of the inline assembly from windows