prepending appscale-app to app directories in /tmp, so that users know which files are generated by the appscale tools
Merge pull request #77 from shatterednirvana/prepend-appscale-to-rand-files

Prepending "appscale-app" to app directories in /tmp
added mocks for file copying in add-keypair tests
Added print after getting password
Merge pull request #79 from shatterednirvana/fixed-add-nodes-test-cases

Fixed broken appscale-add-keypair unit tests
Merge pull request #80 from nlake44/print-ack

Added print after getting password
do not warn on a 1 node advance deployment
Merge pull request #81 from nlake44/no-warn

Do not warn on a 1 node advance deployment