Add support for AVRO as a command line option in offlinerdfgenerator
Merge pull request #147 from saggu/development

Development
avoid pulling context every time
Cache mapping in parser and copy worksheet history before normalizing
Eliminate align calls in batch mode

Postpones align calls until JSON is generated for update instead of in
constructor and eliminate align call after batch execution
Add batch mode
Merge branch 'development' of github.com:InformationIntegrationGroup/Web-Karma into development
WK-396 @comment Remove "View model using straight lines"
Wk-393, WK-395 Fixes for JS errors when deleting nodes and organizing columns
Extra logging when Python commands fail and rows are skipped.
Added user specified root option for MR JSON LD
allow specify root without triplesmapid
JSONProcessor accepts context
Change identity processor
minor bug fix
Merge branch 'development' of https://github.com/InformationIntegrationGroup/Web-Karma into development
add support for modeling sources with multiple semantic types per column

may need more tests when the feature is added to the Karma
offline generator support specify root
Fix for the "specialization for edge" semantic type.
add parameter for atId