acu182180 - update azure CDL to retrieve updated user-data using RightAPI
acu182180 Fix up azure metadata ohai part, grab from correct url
acu182180 Rename certificate metadata source to azure metadata source

Azure metadata source comes from mulitiple different source types and
can't really be generified
acu182180 Add in metadata getter for azure
acu182180 - iterate on review, add instance_id metadata attribute, update instance state to check for it on restart
acu182180 Fix specs and fix up variable names slightly
acu182180 - iterate on code review. Update azure CDL to generate meta-data-cache file. Revert changes in instance state, because all right_link code only  check for meta-data-cache file.
acu182180 Fix for bootup
acu182180 Add our custom net-dhcp gem
acu182180 Move gem to proper place
acu182180 Bump net-dhcp to non-custom version after PR merged
acu182180 - resolve conflicts