fix file excerpts in creating-a-mongodb-replication-set-on-ubuntu-12-04-precise guide
updates to static networking guide per @drussell393
Changed the navigating directories section
Index files for the Logs and Load Balancing sub-categories
Edited published date to match revert
updates to static networking guide per @drussell393
Merge remote-tracking branch 'origin/master'
Merge pull request #9 from displague/fix_creating_mongodb_on_ubuntu

fix file excerpts in mongodb replication on ubuntu 12-04 guide
removed 'automatically' from netblock sentence in static networking guide
updated 1st para in contribute guide
 linkified email address in contribute guide
fixed notes in static networking guide
fixed link in contributing file
fixed email links in contributing file