* Run clang-format and add pre-commit hook for it.
* Modify .travis.yml to check
* Try to fix problems with .travis.yml
* Try to fix .travis.yml yet again
* Update .clang-format to Philipp's preferences
* Don't allow lint to fail in Travis
* Remove git-hooks directory
* Improve clang-format failure output
* Fix clang-format error
* Report which commit clang-format is comparing against, and add whitespace error
* Handle non-PR Travis in clang-format, and add another error
* Check $TRAVIS_PULL_REQUEST correctly and add another error
* Fix syntax error in check-git-clang-format-output.sh
* Add whitespace error
* Remove extra whitespace, add clang-format to README
* refactor plasma to use an event loop
* unify comment style
* Clean up Makefile flags.
* Randomize socket names in tests so multiple copies of the tests can be run in parallel without conflict.
