* autogen.sh: allow use autogen.sh not only in automake 1.7.x enviroment.
* data/ui/Makefile.am: fix for include in dist tar ball timetable
  and python UI files.
* dotnet/samples/Makefile.am, dotnet/Makefile.am: include in dist
  tar ball example files.
* src/Makefile.am: include in dist tar ball missing header files.