set the gomaxprocs to the number of cpus by default in the loggregator

Signed-off-by: Stephan Hagemann <stephan@pivotallabs.com>
Make grouped channels take variable amount of keys

Signed-off-by: Stephan Hagemann <stephan@pivotallabs.com>
Change url scheme for ws to include space

* refactored cf_sink_test to have init setup
[#51987873]

Signed-off-by: Stephan Hagemann <stephan@pivotallabs.com>