Turn the core of Validator into a new standalone library: ParamProcessor

Change-Id: I45076263131c9bcafd741912c1f6d1b99d017cd8
Update readme and add ScrutinizerCI config

Change-Id: I798f78a98ef22a130cbd3f9e55f2091c27ef5277
Remove clutter docs

Change-Id: I5ce5af1a66d94ef6ac830e0e232f2a66784b30cf
Add @covers tags

Change-Id: Ie6764b1585e0d2e4d63ca91b0e35c980f63ab5cf
Add ScrutinizerCI badges

Change-Id: I64e2026426568e1009a5f3ae0d0509032a762ab8