Add `devel' target in Makefile.
Fix unknown graph issue in collection creation.
Fix missing `install' target in Makefile.
Add confirmation prompt in `facettectl' utility.
Update origin input channels handling.

 * Move input channel into `Update' function.
 * Close channel when finished.
Rename `backend' into `connector'.
Fix catalog package name.
Clean up `types' package from uncommon types.
Add wait group for origin updates.
Update icons style.
s/backend/connector/ for connector graphite.