change url
change url
added rearview to tools doc
fixed typo
Merge pull request #561 from steveakers/doc-update

adding rearview to "tools that work with graphite"
Merge pull request #556 from huoxy/master

change url of graph-index
tools.rst: Add SSC Serv.
Merge pull request #564 from octo/master

tools.rst: Add SSC Serv.
HttpRequest.raw_post_data was deprecated in Django 1.4