First attempt to enable travis uploads.
Consistently accessing env vars
Merge remote-tracking branch 'upstream/master' into publish-artifacts
Removing all the examples from the build.
Removing verbosity of tar command (duh).
Verifying that the tarball was created.
Merge remote-tracking branch 'upstream/master' into publish-artifacts
Ping.
Re-enabling example applications on build.
Merge pull request #187 from rhyolight/publish-artifacts

Publish artifacts from travis to S3
Maybe I encrypted the AWS keys with the wrong repo slug. Trying again.
Merge pull request #196 from rhyolight/publish-artifacts

Maybe I encrypted the AWS keys with the wrong repo slug. Trying again.
Changing the file name of the archive file...

... to `nupic-${TRAVIS_JOB_NUMBER}.tar.gz` instead of `nupic-${TRAVIS_BUILD_NUMBER}.tar.gz`. This will enable archives for each part of the build matrix (python 2.6 and python 2.7).
Removing duplicate context in S3 path

https://s3-us-west-2.amazonaws.com/artifacts.numenta.org/artifacts/numenta/nupic/ --> https://s3-us-west-2.amazonaws.com/artifacts.numenta.org/numenta/nupic/
Missed a file name change, changed the name of the tar file.

From nupic-XXX.X.tar.gz to build-XXX.X.tar.gz because it's already going into a directory called 'nupic'.
Merge branch 'master' into verbosity