Reorganize in preparation for deploying pre-created final releases

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Make Bosh#upload_release public in preparation for deploying pre-created final releases

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Add bundler gem tasks, update README.
Stop passing unused :rebase option

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Extract #create_dev_release and #create_final_release in Bosh

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Add create_{dev,final}_release to fake bosh

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Remove create_and_upload_{dev,final}_release

Signed-off-by: Aram Price <aprice@pivotallabs.com>
Just one line please

Signed-off-by: Aram Price <aprice@pivotallabs.com>