Refactor: Extract creation of the 'next' branch into its own method

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Branch:        master
Change-Id:     I553dd0fb515f760894ce8210dfee2b70da32dd1f
Signed-off-by: Jeff Felchner <accounts+git@thekompanee.com>
Feature: Allow the next version of branches to be created

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Branch:        ninjitsu-b62e4a49-closes-231-v1
Change-Id:     I96008e867517c3517321fcea9418df775e8e87d7
Signed-off-by: Jeff Felchner <accounts+git@thekompanee.com>
Refactor: Remove unused branches

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Branch:        ninjitsu-b62e4a49-closes-231-v1
Change-Id:     If02746cbba2ab12cd5715ced48c61a00e69ce904
Signed-off-by: Jeff Felchner <accounts+git@thekompanee.com>
Style: Make whitespace changes
Docs: Update README with desired usage