Added Gist 'commit' syntax

Gists are treated just like repositories (they really *are* repositories), so you can push changes back to a Gist from the command line.
This means you also can modify and push updates to Gists:
Added Gist 'push' syntax - needs proper translation

Gists are treated just like repositories (they really *are* repositories), so you can push changes back to a Gist from the command line.
Added Gists 'push' syntax - this requires proper translation

Gists are treated just like repositories (they really *are* repositories), so you can push changes back to a Gist from the command line.
Added Gists 'push' syntax - this requires proper translation

Gists are treated just like repositories (they really *are* repositories), so you can push changes back to a Gist from the command line.
Categorize everything about "branch"
Add revert pull request function
Completed the section of reverting pull request
Translated the section of reverting pull request
fixed the table of contents
Merge pull request #74 from tonyxue/master

Added revert pull request and the branch section
Update Ja translation to 2a6b638
Merge pull request #75 from hail2u/ja-translation

Update Ja translation to 2a6b638
Merge pull request #73 from ParkinT/doc_updates

Added syntax for git 'push' of changes to a Gist
git fixup and autosquash
Merge pull request #65 from cgcgbcbc/fix-up-and-autosquash

git fixup and autosquash
Update Ja translation to 0bd08f7
Merge pull request #76 from hail2u/ja-translation

Update Ja translation to 0bd08f7
Update ko to 776f5d5
Merge pull request #77 from marocchino/korean

Update ko to 776f5d5
Added how to set up git globally to to fetch pull requests