Minor (descriptive) improvements to  the example scenario
Link with the jmaxsum source

Before this commit, the RSLB2 launcher used an old jar file of the
jMaxSum library. Now it is referenced as a project and can be
browsed/debugged appropiately.
Switch to the default java platform
Merge branch 'master' into dev

Conflicts:
	nbproject/genfiles.properties
Added hysteresis factor to avoid target switching

The straight line distance from an agent to a target is used when
computing the utility of an agent/target pair. However, the agent's
pathing is hardly ever a straight line. Thus, sometimes an agent
will keep switching from target A to target B just because the path
from its location to A goes through a point where the agent is
(straight-line) closer to B than A, and viceversa.

The hysteresis factor introduced in this patch prevent such behavior,
by introducing a multiplier that increases the utility of keeping the
current target.