Add a simple OSGi plugin

This is based on the excellent tutorial at

	http://www.theserverside.com/news/1363825/OSGi-for-Beginners

which follows the good practice to assume that the reader of the follower
will never be a fanboi of the technique described in the tutorial.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Let BaseService implement Runnable

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Use our own bundle prefix, bump bundle version

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Clean up some

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Start the BaseService from the 'ImageJ plugin'

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Turn BaseService into a Map

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Bump bundle version

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Use new Bundle with BaseService implementing Map

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>