minor
parallel getClusterResponse, java 8 style, fix for pasttrack exception (AISVIEW-9, AISVIEW-18, AISVIEW-23)
AISVIEW-9 threadsafe atomic integer
Support for  /rate (AISVIEW-18, AISVIEW-21)
clunky fix for mix between Predicate systems (AISVIEW-18)
Support for concurrent .addTarget using Java8 ConcurrentHashMapo (AISVIEW-9, AISVIEW-18)
Checkstyle
Checkstyle
Formatting
Fix illegal position and java8 cluster generation (AISVIEW-9, AISVIEW-18)
removed println
REST for /tracker/count and /tracker/count/targetinfo mostly for TargetTracker stats (AISVIEW-9)
Type relaxation in VesselClusterJsonResponse (AISVIEW-9)