Merge pull request #1566 from yuhunglin/CLC-2482

[CLC-2482] Logging slow queries in production at ERROR level
CLC-2527 - TypeError: Unable to get value of the property 'nodeName': object is null or undefinedundefined
https://jira.media.berkeley.edu/jira/browse/CLC-2527
Merge pull request #1567 from christianv/CLC-2527

CLC-2527 - TypeError: Unable to get value of the property 'nodeName': ob...
[CLC-2530] Issues with format_date
[CLC-2530] Going back to the ActiveRecordHelper model