Clean up .gitignore - only ignore kcdc3/media
Clean up .gitignore - only ignore kcdc3/media

knowledgecommonsdc/kcdc3,knowledgecommonsdc/kcdc3,knowledgecommonsdc/kcdc3,knowledgecommonsdc/kcdc3,knowledgecommonsdc/kcdc3,knowledgecommonsdc/kcdc3