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
removed mysql
removed mysql from appscale
Removed DIST which is already set in build.
Moved install_functions so it's called after $APPSCALE_HOME is defined.
Fix so that a 2nd install attempt on the same VM will succeed
colored status icons
Merge branch 'testing' of https://github.com/AppScale/appscale into ui
Using random ids for keys of entities on datastore tests and code cleanup.
Merge pull request #508 from AppScale/testing

AppScale 1.7.0 Release
Merge branch 'testing' of github.com:AppScale/appscale into apichecker-txn-error
Fixed checking of datastore API
fixed typo
Merge pull request #507 from nlake44/apichecker-txn-error

Using random ids for keys of entities on datastore tests and code cleanu...
Merge branch 'master' of https://github.com/AppScale/appscale into ui
removed unused arg
removed prints
removed icon font and replaced with png images, also removed nav and status headings
Merge pull request #487 from nlake44/no-mysql

Removing MySQL from build and core code