Merge pull request #368 from AppScale/testing

Merging 1.6.8 into master
Merge pull request #417 from AppScale/testing

bumped version number to 1.6.9
Merge pull request #431 from AppScale/testing

Fixes broken build script for numpy/matplotlib
colored status icons
Merge branch 'testing' of https://github.com/AppScale/appscale into ui
Merge pull request #508 from AppScale/testing

AppScale 1.7.0 Release
Merge branch 'master' of https://github.com/AppScale/appscale into ui
removed icon font and replaced with png images, also removed nav and status headings
added unknown role for cases when a role has been added but UI has yet to be updated
Merge pull request #514 from AppScale/ui

Looks good!