Merge pull request #36 from AtlasOfLivingAustralia/DJB-SpreadsheetTemplate

Warning message on unfinished spreadsheet template
Moved BVP specific SlickGrid code to it's own file
Fixed broken calendar image
Fixed broken expedition list
Merge branches 'DJB-SpreadsheetTemplate' and 'master' of https://github.com/AtlasOfLivingAustralia/volunteer-portal into DJB-SpreadsheetTemplate

Conflicts:
	application.properties