Fix bill type for resource level report
RIs are showing up with null IDs.  Skip them and log.
Merge branch 'master' of github.com:mdz/koseki
Update to fog 1.10.1
More debug
Merge branch 'master' into resource-level-report
Skip the March resource level report as it's currently malformed
Fix filename
Fix harder
Include "untagged" keyword in ELB usage for tagging progress report