Clean up Commits and Pull Requests page
Branching: Pop stash after creating branch. Closes gh-38

Though the end result is the same, setting up the branch first
ensures the working copy (and potential merge conflicts) are dealt
with in the context of the proper branch (instead of relying on
git-checkout to preserve and re-apply the dirty tree after
switching branches).
markup-convention - removed a dot following the body.jquery class 

This dot is not present in ui, mobile, foundation, sizzle or qunit.
Cleaned up markup conventions.
Added electronic CAA.
1.0.11
JS Style Guide: More rules and clarifications. Fixes #45. Fixes #48.
Initial port of How to Report Bugs.
1.0.12
How to Report Bugs: Added bug trackers for jQuery Migrate and Globalize.
JS Style Guide: Don't indent inside a closure wrapping the entire file. Fixes #53.
JS style guide: Document usage and formatting of switch statments. Fixes #52.
contribute.jquery.org: fixed an error in the text of web-sites.md
Fix minor typos
Document how to use npm-version and how semver applies to sites, including the exception for UI and Mobile API sites
1.0.13
1.0.14
Site deployment: Include a note to push both tags and the version bump commit, along with the shorthand git invocation
1.0.15
Fixes a couple minor typos and syntax errors