https://www.pivotaltracker.com/n/projects/997278/stories/67714674
Reapplying the DDL to postgres to bring legacy databases up to date requires that we do it without a transaction.

Conflicts:

	common/src/main/resources/spring/data-source.xml
Bump hotfix version to 1.5.4.1
Merge branch 'hotfix/1.5.4.1'
Auto-merge remote-tracking branch 'upstream/master'