#71 user documentation
Merge pull request #97 from BluWings/master

- fix url to travis-ci build job
#100
- add DynamicImport to MANIFEST.MF to let the SPI classloader have
access to the XO-Provider bundles (just quickfix, we still have to
verify the whole OSGi setup, see #88 + #78)
Merge branch 'master' of github.com:buschmais/xo