Install osc2 script as well

Use setuptools entry_point to generate wrapper script and install it to
bin directory.

Signed-off-by: Michal Čihař <michal@cihar.com>
Fix documentation build after module rename

Signed-off-by: Michal Čihař <michal@cihar.com>
Ignore setup generated dirs

Signed-off-by: Michal Čihař <michal@cihar.com>
Merge branch 'travis'
Merge branch 'xml-testing'