api client now has 5 seconds for rest calls, tweak integration tests

remove some obsolete tests
first try to get travis ci working with a running graylog2-server and dependencies
why did i change this line?!
travis ci tweaks
do the unthinkable: upload a binary for fixing the maven download :(
unthink the doable, remove that file again because it didn't fix it :)
Merge git://github.com/Graylog2/graylog2-web-interface into develop