Sleep for 30 seconds at start of wait_for_sshd
Remove sleep from aws
Add CHANGELOG entry
Merge pull request #351 from continuuity/feature/issue-313

Feature/issue 313
remove unused dummy provisioner and replace with the mock one.
Merge pull request #353 from continuuity/feature/switch-to-mock-provisioner

remove unused dummy provisioner and replace with the mock one.
Merge remote-tracking branch 'origin/develop' into feature/ipaddresses
Merge branch 'feature/ipaddresses' of github.com:continuuity/loom into feature/ipaddresses
make ip macros that dont specify an ip type default to the
bind_v4 ip type.