main: added getopt option parsing
main: using namespace engine now
main: added data folder option
engine: initial python launch integrated
game: added --data option for passing data directory
readme: added new commandline option calls
readme: added dependency categories
tasks: added gettext hint for localization support
Merge branch 'master' into testing
readme: python is needed at compiletime
make: alphabetical ordering of source file list
test: implemented basic testing infrastructure
make: enabled lto for gcc by default
make: added inotify include dir finding
make: don't hardcode freetype includedir, hint the location
terminal: ignoring invalid ESC sequences
doc: blendomatic struct notation improved
doc: getting the blending priorities from the media files
readme: fixed formatting for dependency indicators
readme: improved windows porting section