Merge pull request #2 from keithj/travis-build

Enabled building the release tarball
Merge pull request #3 from keithj/travis-build

Workaround for bug in Travis
Merge pull request #4 from keithj/travis-build

Added build details logging echo
Merge pull request #5 from keithj/travis-build

Further workaround for Travis being broken
Fixed typo in all_branches key
tar the entire build directory for release