adding back clear_datastore from git merge
checking for group and keyname before we add a new ssh key
Merge remote-tracking branch 'org/testing' into check-for-keyname-group-in-up
merged with org/testing
writing back raw file contents instead of yaml so that we don't erase all the potentially useful comments in the AppScalefile
reloading appscalefile when we make changes to it
re-reading appscalefile if we changed it
Merge pull request #289 from shatterednirvana/check-for-keyname-group-in-up

Check for keyname and group in 'appscale up'
added --oauth2_storage flag, to enable users to pass in signed oauth2 credentials instead of their client_secrets file
using signed oauth if secrets are not present
Merge pull request #279 from AppScale/verbose-flag

Passing verbosity level to AppController
Merge pull request #291 from shatterednirvana/specify-signed-oauth

Allow users to give us a signed OAuth file in lieu of their client secrets