Added BulkImportHandler, which can upload scnames with modified vernacular names.
Added a sources listing/selection system.
Cleaned up Javascript a little.
Added a warning for names not present on the master list.
Added a clear-all-entries option.
Added code to look up EOL for the vernacular name.
Prevent sources from duplicating.
Tweaked colours and display.
Improved Javascript.
Fixed some bugs, improved display, finished saving bulk upload data.
Merge branch 'feature/bulk-upload' into develop