Cleanup non-sensical method names, javadoc, a few return types.
Cleanup non-sensical method names, javadoc, a few return types.

git-svn-id: 0dc367cf2a1f0872b31aed51a516e91b94972fba@1997 19460358-522e-0410-942e-fdb976ae3ca2

ONatalia/Masterarbeit,ONatalia/Masterarbeit,ONatalia/Masterarbeit,ONatalia/Masterarbeit