Chagnes in 0.1.2:

* Implemented target/group configuration in am project backend.
* Implemented remove target and remove group.
* Take white spaces after trailing backslashes (line continuation) to be valid.
* Added gbf_project_get_all_groups()
* Added group-activated signal.
* Changed gbf_project_util_add_source(), gbf_project_util_new_group(),
  gbf_project_util_new_target() definitions to return the added
  element ids (or NULL)
* Select proper default target/group when prompting for adding
  source/target/group.
* Do not expand all nodes in selection tree when default selection are given
  (eases navigation in big projects).
* Fixed RPM spec file.
* Fixed backends directory path.
* Do not overwrite existing group when new group is added.
* Fixed xml escaping in config values.
* Code clean ups.
*  Updated translations: gl, en_CA and sk