Eph, epv + battery discharge added.
Target ball made RED.
Ground texture made repeated chess field.
ant build fixed.
SimpleTarget replaced with TargetLinear.
Target constructor gets ready scene node instead of sphere radius.
added TargetLinearRandomOrthogonalNose.
Environment decoupled from World.
fix java lang
build.xml: default compile
fix: Environment as interface
fix TargetLinearRandomOrthogonalNose: apply linear speed.
fixup visual target
fixup SimpleTarget, LogPlayerTarget.
Simulator waits when serial port appears.
UPD port allow reuse address.
ant clean removes all of out/
Print unexpected exception stack.
Merge with 'drton/follow'.
build.xml merged.