Fixes #136. Placed object label above and attribute label below the
node. Looks quite good in my opinion. Now also has a dependency on node
radius.
Closes #133 by adding a red circle around the node last clicked on.
Merge branch 'master' of https://github.com/fcatools/conexp-ng.git

Conflicts:
	src/main/java/fcatools/conexpng/gui/lattice/Node.java