Preserve context/repo as metadata for mappings
Merge branch 'development' of https://github.com/InformationIntegrationGroup/Web-Karma into development

Also some cleanup in triplestoreutil
Conflicts:

karma-commands/commands-alignment-openrdf/src/main/java/edu/isi/karma/co
ntroller/command/worksheet/ApplyModelFromURLCommand.java

karma-commands/commands-publish-alignment-openrdf/src/main/java/edu/isi/
karma/controller/command/publish/PublishRDFCommand.java