Fail build when coverage is too low

Minimum coverage set to 60%. It works by parsing aggregated Jacoco
report as oposed to jacoco:check goal which checks coverage at most
on submodule level.

Change-Id: Ie6f50ce9b2f15e62ad84480611897a98321a7af2
Issue-ID: DCAEGEN2-681
Signed-off-by: Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
3 files changed