travis: changed to openjdk8

Update: pom: version 3.0.3

Update: SimNAR: Use NAL9 satisfaction goal additionally, making it mo…

Update: SimNAR: Use NAL9 satisfaction goal additionally, making it more consistent with how it should be in the future, goals correlated with internal satisfaction which should be a factor in decision making, this way avoidance behavior is also no problem.

Update: SimNAR: Microworld has angle for fire fixed and allows NARS t…

Update: SimNAR: Microworld has angle for fire fixed and allows NARS to accelerate on its own using ^Forward operation, works much better now even without the soon following Core enhancements.

Metrics for Pong

# Conflicts:
#	src/main/java/org/opennars/lab/metric/MetricReporter.java

Removing unused code from grid2d

Update: SimNar: added counters

Update: SimNAR, Pong: Use OpenNARS' ability to control motor babbling…