Refactor build-release.sh into smaller functions.
Add download function
Update README.markdown to include usage information about new sub-commands.

Also added usage/help into the script itself.
Merge pull request #12 from BenWhitehead/build-release-refactor

Refactor build-release.sh
make local file server port configurable
Update documentation
Add local file server port config to readme
Fix port configuration loading
Merge pull request #13 from franklinhu/config-file-server-port

configurable LocalFileServer port
Link to tutorial on mesosphere changed
Merge pull request #19 from jeckhart/patch-1

Link to tutorial on mesosphere changed
fixed LocalFileServer for FQDNs
Merge pull request #20 from hobofan/fqdn-fix

fixed LocalFileServer for FQDNs