Merge pull request #1221 from cesine/master

Many changes to spreadsheet app
Merge pull request #1270 from cesine/master

Release 1.91
Merge pull request #1276 from cesine/master

Release v1.91.2
Merge pull request #1280 from cesine/master

Testing upgrade from 1.36 to spreadsheet 1.91
Merge pull request #1287 from cesine/master

Release v1.91.4
Merge pull request #1301 from cesine/master

fixes for enteredByUser 1.92.0 breaking prototype and db queries
Merge branch 'master' of github.com:OpenSourceFieldlinguistics/FieldDB into spreadsheetTemplates