corrected the comma issue
Merge remote-tracking branch 'upstream/master'

Conflicts:
	biblio.json

Merged from tobie/specref. Ran test.
restored UAX15 and UTS22 references

Restored two references removed in merge. Ran test.
2013-09-26 tr update.
Merge pull request #51 from tobie/tr-update-2013-09-26

2013-09-26 tr update.
/tr auto-update.
Merge pull request #52 from tobie/2013-10-16-tr-update

/tr auto-update.
Merge pull request #50 from addison/master

corrected the comma issue
Add YAML ref.
Merge pull request #53 from tobie/add-yaml

Add YAML ref.
/TR Auto-update.
Fix #55.
Merge pull request #56 from tobie/2013-10-28-tr-update

2013 10 28 tr update
TR update. Closes #57.
Merge pull request #58 from tobie/2013-11-04-tr-update

TR update. Closes #57.
Dec. 1st update.
Merge pull request #62 from tobie/2013-12-01-tr-update

Dec. 1st update.
Add HTTP Signatures specification.
Add JSON Patch to bibliography.
Merge pull request #63 from msporny/master

Add HTTP Signatures and JSON Patch specifications.