tmf: Use full history backend by default

tmf: Use full history backend by default

Full history is used in most places, so instead of having to specify
it in every implementation, set it as such in the abstract state system
module. Sub-classes are then free to override it if they want.

Change-Id: I856155114fd2a189bd2d582acb43b724e71f508d
Signed-off-by: Alexandre Montplaisir <alexmonthy@voxpopuli.im>
Reviewed-on: https://git.eclipse.org/r/21909
Tested-by: Hudson CI
Reviewed-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>
IP-Clean: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>
Tested-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>