don't set a memory limit for the annis.sh script
update version to 3.2.0
updating licenses
exclude log4j
updated changelog
fix  #368  (AQL operator window broken in Query Builder)
update CHANGELOG
don't include the local log files
update to vaadin 7.3.5 for bugfixes
more robust code for drawing the lines in the canvas (this should help with issue #369)
Finish annis-3.2.0
update to new version
Merged 'develop'.