implement relation editor

no recursion yet
other:
  -fix docs for codeToGraph
  -remove @Override in interfaces
  -make CodeUtils.equal more accurate
  -remove .classpath files that were accidentally included in the repo
  -dissassociate -> disassociate
  -quoted c' in docs for disassociate
remove gen folder from projects
-add patch to unlimit stack size on dalvik
-update readme to warn about required stack size