prettify xml NodeSeq and NodeBuffer
Merge changes from branch 'prettify-xml' of git://github.com/gcberger/scalatest.
Enhanced Prettifier to handle Fred extends Seq[Fred] case generally.
Initial version of aggregated gentests.
Remove scalaVersionToUse and use scalaVersion instead in sbt build.
Reduced duplication in scalatest.scala by using shared settings.
Updated travis script to use aggregated gentests.
Make flickers in RandomTestOrderSpec and FrameworkSuite retryable.
Make gentests to use HtmlReporter instead of standard output, which hits the 4M limit of travis log.
Commentted out before_script and after_success in .travis.yml, and increase heap settings in travis_build.sh.
Added retryable to another flickers in TimeoutsSpec.
Added retryable to another flickers in ParallelTestExecutionProp.scala.
Added yet another flickers in AsyncAssertionsSpec as retryable.
Changed Prettifier to use stringPrefix.
Merge branch '2.1.x' of https://github.com/scalatest/scalatest
Merge branch 'aggregated-gentests' of https://github.com/cheeseng/scalatest