Very slight error message improvement
Merge branch 'master' of https://github.com/ekansa/open-context-py
Adds additional fields to Solr schema and crawler
Merge branch 'master' of https://github.com/ekansa/open-context-py
Merge branch 'master' of https://github.com/ekansa/open-context-py
improves crawler error checking and updates variable names
updates schema to latest version