querying scalars now interpolates inside triangles
Merge remote-tracking branch 'origin/runtime_import'

* origin/runtime_import:
  Fixed multiple import
  Check if the file metadata exists before adding it to the database
  Fixed bug where opacity was not maintained between animation steps
  Fixed bad merge resolution
  Time fixes
  Fixed various issues with logic and style
  Initial work on run time import
  Relocated import script
  Reorganized import script to import on file basis
  keep start date around too for completeness
  record enough time info to compare datasets
  put array ranges over all time into database
merged with master
removed some debug info
scalar interpolation within triangle