Fix compilation error
Merge branch 'master' of https://github.com/asomov/meet-in-concert

Conflicts:
	src/main/scala/com/githup/voles/inconcert/Elevation.scala
	src/main/scala/com/githup/voles/inconcert/models/OpenEvent.scala
Make the compiler happy
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/scala/com/githup/voles/inconcert/Elevation.scala