Release 2.15.1154

Released on Aug 31, 2017 and includes the following:

• AI-1569 FIXED: History tab does not update automatically after an edit
• AI-1631 FIXED: Relevance condition not applied to calculated fields
• AI-1644 FIXED: Enumerated choice ids should be represented as string literals in formula language, not symbols
• AI-1653 Update Congo to Republic of Congo to avoid confusion with RDC
• AI-1654 Add longitude and latitude to /query/rows endpoint