Added support for more capabilities

This commit provides more capabilities, like retrieving
rides from a given station, and also lines from a search.
We also have implementation for the first capability as
a QML model.
Added plugins

This commit provides pt2 plugins, that are the test one,
that was mainly used to test the architecture, and the
RATP one, that is still in development, and would provide
information from Paris transportation system (RATP).
Added RPM packaging files