Define some Sonar properties to skip unwanted classes and modules

Define some Sonar properties to skip unwanted classes and modules

Those are defined in our Hudson job right now but it's nicer to
have them as a default. For example, when running locally.

Change-Id: I2224a5573162454197be5459bdabcbebb6a8349c
Signed-off-by: Marc-Andre Laperle <marc-andre.laperle@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/60674
Reviewed-by: Hudson CI
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>