Merge tag '6.1.8' into develop

DigiVol 6.1.8 Release Notes

 - DG-76  - Updated camera trap templates to allow system validation without considering the number of animals in the photo.
 - DG-16  - Updated camera trap expeditions to set the animal count field numerical and allow touch +/- controls.
 - DG-117 - Added Export button on Manage Expeditions admin page.
 - DG-49  - Updated expedition homepage map display to show more relevant details on map pins. Details should now include external identifier, transcriber and task ID (#486).
 - DG-95  - Fixed an issue in transcribing templates where the seconds symbol button (in longitude/latitude) was incorrectly labelled.
 - DG-120 - Fixed issue where ineligible users were not actually being ignored from leaderboards.
 - DG-121 - Fixed an error in a stats database query.
 - DG-124 - Fixed an issue where exporting to zipfile was causing an error when template contained a field named 'associatedMedia’.
 - DG-17  - Added a 250km uncertainty range to transcribing map tool.

build.gradle

@@ -24,7 +24,7 @@ plugins {
     id "com.dorongold.task-tree" version "2.1.1"
 }
 
-version "6.1.8-SNAPSHOT"
+version "6.1.8"
 group "au.org.ala"
 description "Digivol application"