[Mezuro] Fixed content viewer helper test.
[Mezuro] Fixed the paths in hooks file.
[Mezuro] Acceptance tests script doesn't depends anymore of a clone from the Kalibro source code repository
[Mezuro] Updated README for running acceptance tests.
[Mezuro] Adding scripts for travis integration.
[Mezuro] adding kalibro script for travis
[Mezuro] Some fixes fo the travis integration