First draft of validation parameter batching
Add batch end date on the server side
Add batching to last model run information (for system administration)
Add "batch end date" to system administration user interface.
Include batching in last model run information.
Make two of the handlers in Model Output Handler asynchronous
Fix and add tests
Allow adding of validation parameters (environmental suitability etc.) unconditionally. This is for batching.
Tests and fixes
Rename model_run.batched_occurrence_count -> batch_occurrence_count
Fix checkstyle violations
Ignore tests that load rasters for now (breaks Travis).
Fix NullPointerException if a location has no country GAUL code.
Machine weighting is now hardcoded to null.
Add logging to disease extent generation in the Model Output Handler.
Ignore more tests that load rasters (Travis problem).
Merge branch 'master' into 206-batching

Conflicts:
	src/PublicSite/web/js/app/admin/diseasegroup/DiseaseGroupSetupViewModel.js
Front-end corrections
Fixes following review
Merge branch 'master' into 206-batching

Conflicts:
	src/PublicSite/web/js/app/admin/diseasegroups/DiseaseGroupSetupViewModel.js
Break out cdn path in require.conf
Fix datepicker
Cherry pick BaseFormViewModel
Bootstrap disable and other bindings