removed all traces of percent for art
increases distance for marker clustering and tests
Merge pull request #153 from osulp/feature/RemovePercentForArt

removed all traces of percent for art
Merge pull request #154 from osulp/feature/makerGrouping

increases distance for marker clustering and tests
added building importer and specs
importers work
fixed 'and' issue
removed all traces of percent for art bool
added collection to the importers