[AI-476] Fixes problems with export of chloropleth maps
[AI-485] Indicator column headers not properly escaped
[AI-488] Saves zoom and center with map model
[AI-489] Always use approximate points for sites when mapping

MIgrating to point where all map points use PivotSites as a data
source so that it is consistent with Pivot tables etc
Added new UI to list of modules to compile
[AI-489] Updating PivotSites to fall back to country MBR if needed
Merge branch 'stable'
Spike for Mobile Client