Add options for specifing branch. Checkout stable by default.
Hack to workaround bug in latest galaxy preventing it from booting up properly.

More about bug here: https://trello.com/c/nKxmP6Vc.
Add option prepopulateSqliteDatabase([URL]) to preseed Galaxy database.

Should result in a signficant speed up.
Refactor BootStrapper to delegate fetching Galaxy source to DownloadProperties object.

Will enable refactoring toward alternative 'downloaders'.
Refactor a Downloader interface out of Download properties.

Again, this will enable the implementation of a direct github zip download.
Implement github downloader.

Download galaxy-central as a zip file right from @jmchilton's github fork of Galaxy.
Improved error messages.
Clean up, extend, and clarify the public 'interface' for DownloadProperties.
Expand on pom.xml in order to get ready to publish next alpha.
[maven-release-plugin] prepare release galaxybootstrap-0.3.0-rc1
[maven-release-plugin] prepare for next development iteration