fixing shell() so that commands given on stdin are shown in error logs
fixed remotehelper tests that were broken by properly removing env vars in parseargs unit tests
updated text on help usage
Merge pull request #214 from shatterednirvana/ec2-vars-in-run-instances

Adding ability to specify EC2 credentials when running appscale-run-instances
rsyncing over appdashboard directory
fixed typo
added unit tests for change
unit tests updated
added capability to specify ec2 credentials when running appscale-terminate-instances
Merge pull request #213 from briandrawert/fix-random-errors

fixing shell() so that commands given on stdin are shown in error logs
Merge pull request #215 from shatterednirvana/ec2-vars-in-term-instances

added capability to specify ec2 credentials when running appscale-termin...
Merge pull request #216 from shatterednirvana/rsync-appdashboard-dir

rsyncing over appdashboard directory
Changed max wait time for an image to startup from 30 to 45 minutes
Merge pull request #217 from briandrawert/change-iaas-max-waittime-to-45-minutes

Changed max wait time for an image to startup from 30 to 45 minutes
Fixes to appscale.deploy() to return the host and port number
not adding apt repo for euca2ools since we don't install them
removed functions we don't use in build script
Merge pull request #219 from shatterednirvana/no-euca2ools-repo

not adding apt repo for euca2ools since we don't install them
added unit tests for upload_app() and deploy() return values
reversed the order of the assert arguments