Build using non-staging Eclipse 4.5 target

Build using non-staging Eclipse 4.5 target

Since staging will become Eclipse 4.6 (Neon) we should switch to building using
a more stable 4.5 target (for now).

Change-Id: I8bcfde64f769510150dc3517b9931521522efdbc
Signed-off-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/50904
Reviewed-by: Hudson CI
Reviewed-by: Alexandre Montplaisir <alexmonthy@voxpopuli.im>
Tested-by: Alexandre Montplaisir <alexmonthy@voxpopuli.im>