Merge pull request #621 from AppScale/testing

AppScale 1.9.0 Release
Merge pull request #701 from AppScale/testing

AppScale 1.10.0 Release
precise update
Fix for PIL library
Merge branch 'multithreaded-dev-appserver' of github.com:shatterednirvana/appscale into precise
fixed PIL library
Merge branch 'multithreaded-dev-appserver' of github.com:shatterednirvana/appscale into precise
Merge github.com:AppScale/appscale into precise
Merge branch 'precise' of github.com:AppScale/appscale into precise
not using -y flag, but rather --upgrade for pip install
Update appscale_install_functions.sh

Moved upgrade flag to the correct location.
Update appscale_install_functions.sh

-y flag for java install.
Update appscale_install_functions.sh

Piping yes to pip install.
pull from testing
Merge branch 'precise' of github.com:AppScale/appscale into precise
Merge branch 'testing' of https://github.com/AppScale/appscale into precise
Merge remote-tracking branch 'org/testing' into precise
Merge remote-tracking branch 'org/testing' into precise
Merge pull request #738 from AppScale/testing

AppScale 1.11.0 Release
Update README.md