Finalized JSONLoaderPluginResolver.
Merge branch 'amd' of https://github.com/agrc/agrc.widgets into amd

* 'amd' of https://github.com/agrc/agrc.widgets:
  added '{}'s to uuid string
  Removed 'ORDER BY' in sql query. It was causing problems with SDE data.
  Added `contextField` parameter to MagicZoom.
  Upgraded TRSsearch to AMD. Refined others...