Please capitalize where necessary: activity period from 18 september 2015 until 20 september 2015
A: activity period from 18 September 2015 until 20 September 2015

Please capitalize where necessary: transport and travel (possibly. feature in the bus on the way to the hotel)
A: Transport and travel (possibly. Feature in the bus on the way to the hotel)

Please capitalize where necessary: polish language geographic distribution
A: Polish Language Geographic Distribution

Please capitalize where necessary: xdq file analysis tool utilizes third-party software components.
A:
XDQ File Analysis Tool utilizes third-party software components.