Fixes Heat AES Key Error

Previously, the default key was not long enough for Heat's
key length requirements:

ERROR: AES key must be either 16, 24, or 32 bytes long

The default key is now the same as the default in heat.conf.

Change-Id: I1b02cd87b97916800a0a0f5590313a717c2401c9
Add missing data mapping for swift_hash

Add a missing data mapping for swift::swift_hash_suffix to swift_hash.

Change-Id: Ic7cae18ea74db65874020332a377c5fcda245bf3
Closes-Bug: #1287923
Merge "Fixes Heat AES Key Error"
Merge "Add missing data mapping for swift_hash"