added tooltips
Merge remote-tracking branch 'upstream/develop' into behavior
fixed timer node.
added property annotations.
Merge pull request #886 from synopia/behavior

Some improvements to the behavior tree
Added height offset to skeletal mesh to allow correction of vertical positioning
Fixed slight error in copyright configuration.
tooltips are now left aligned in behavior editor
Merge remote-tracking branch 'upstream/develop' into b2
Improved line of sight algorithm