Don't go beyond foundation 5.2.2

5.2.3 seems to break things at the moment.
Add auxiliary category to relations.json
Add exam conf to show stripped down treebanking
Setup e2e config
Updating config
Use new data for e2e test.
Start to fix e2e tests.
Use multiple browser and OS configurations on saucelabs
Try to run on multiple browsers in sauce lab
Try own protractor config on travis
Own config for travis
Add process to globals
Move tunnel-identifier and build to each capability
Remove transition
Wait for sentence to show up in e2e test
Wait for tree node
Sleep in e2e test to see if it would work
Try waitForAngular()
Another try with wait
Increase test timeout