changes to address kcooney's concerns about thread safety on issue #742
Add support for Travis CI (http://travis-ci.org).

Simple CI for branches of JUnit forks. Now everybody can easily use CI for own branches. Pull requests are automatically build by the CI and the build result is visible on Github.
Merge pull request #776 from stefanbirkner/travis

Add support for Travis CI (http://travis-ci.org).
Fixed typo and added link to the RuleChain class
Merge pull request #789 from PissedCapslock/master

Fixed typo and added link to the RuleChain class
Added missing javadoc for delta parameter in the assertArrayEquals methods
Merge pull request #790 from PissedCapslock/master

Added missing javadoc for delta parameter
Merge pull request #765 from adam-beneschan/742

changes to address kcooney's concerns about thread safety on issue #742
Merge remote-tracking branch 'upstream/master'
Rename TestFailedOnTimeoutException -> TestTimedOutException