Revert "moving azure-cli dependency to 'latest' to always use most current version. Fix for #11 and #10"

This reverts commit 1853653ec0c87b32fe2c7d4a55f919d6ba9a01e8.
Merge pull request #13 from glennblock/master

Revert "moving azure-cli dependency to 'latest' to always use most curre...