Added links, reformatted nosql

I added several links to various areas, and reformatted the nosql
section to show the types of noSQL engines.
Adding mesos under cloud computing: http://mesos.apache.org/
Adding Docker: An open platform for distributed applications for developers and sysadmins.
Removed docker: duplicate
Update README.md: Added Heka

# closes #72
added emacs to editor suggestions
Add a link to Clusto, a CMDB
Add MCollective to Cloud Orchestration category
Adding ZPanel
Added MogileFS

Added MogileFS to network distributed filesystems
updated mogilefs link

Changed from mogilefs.com to mogilefs.org
Added Designate to DNS section
Add Flume and Heka to logging
Added Designate to DNS section
Sentry added
Add Overcast to Configuration Management section
Added Archipel
Added Bazaar
Added Juju to Cloud Orchestration
Fix small typographic error