cleanup
Merge branch 'master' of github.com:dma-ais/AisLib
Switched to PriorityQueue over TreeSet and removed unused functionality (AISVIEW-9)
Java8 predicates. Stream based findTargets8. Added size(). Java8 ConcurrentHashMap (AISVIEW-9, AISVIEW-18)
Fix for private final constant checkstyle
AISVIEW-25 validation of message order and precedent for newer packets when both Class A and Class B is encountered for same mmsi
micro change in comment
cleanup
AISVIEW-24, AISVIEW-22, AISVIEW-9 Caching results in OOM (disabled)
Alternative MmsiTarget implementation using guava cache for automatic eviction of AisPacketSource when older than 24h, disabled until complete switch to java8 (AISVIEW-24)
Introducing TargetTrackerTest unit test (AISVIEW-25)
Literal Strings should be compared using equals(), not '!='., empty statement