gitignore all Thumbs.db (windows thumbnail) files
gitignore all Thumbs.db (windows thumbnail) files

spatial-ucsb/ConceptsOfSpatialInformation,liangcun/ConceptsOfSpatialInformation,liangcun/ConceptsOfSpatialInformation,spatial-ucsb/ConceptsOfSpatialInformation,spatial-ucsb/ConceptsOfSpatialInformation,liangcun/ConceptsOfSpatialInformation