Improve branch creation

[rpbaltazar]

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Describe the steps to reproduce

we could have a more intuitive branch creation by providing some sugar syntax to it:
e.g

1. story_branch create <issue id> looks for the issue and creates the branch based on the name
2. story_branch create <issue title> tries to find the issue based on the title, creates a branch either from the title or the found issue.

What did you expect to happen?

What happened instead?

Paste in any error messages using code-fences

Additional information

[peterhoeg]

https://github.com/augmentable-dev/tickgit does a git blame on the TODO line which is nifty.