Minor changes

- Add 2014 to Copyright
- Forgot [--[no]speed] option at command line summary
- Print information when No <speed> tags is found in file,
  In this case the speed information is calculated
Add native speed example file, simplify example making script
Overwork Dokumentation HTML file, make it xHTML 1.0

ALso add Pointers to Homepage for README
Change keyword expansion for release with release branch, Prepend major version 0

Keywords are now completely replaced in gpx2map and gpx2map.html, so (especially) in
the HTML file no postprocessing is necessary.
Change Mashup templates to include the gpx2map version
Disable Github Pages Processing