move sample files to other directory in order to make ant build working
new images explaining set theory of R43ples
closes #2
close #5 - task 5: Provide revision information in result of CREATE
GRAPH request 
http://github.com/plt-tud/r43ples/issues/issue/5
move resources from test to src
new standard revision graph
handling resources for testing purposes better
ignore yED output
#20: REVISION keyword is proper deleted from SELECT queries