bnd driver: Set bnd property to indicate which tool is driving bnd

eclipse is added in this commit. The build and gradle template are also
updated.

Save actions also added some @Override annotations.

Signed-off-by: BJ Hargrave <bj@bjhargrave.com>
Merge pull request #875 from bjhargrave/bnd-driver

bnd driver: Set bnd property to indicate which tool is driving bnd