swc-1257 - message to users about alpha testing
swc-1299 - pass through service errors on column name and default value (when they become validated)
swc-1324 - fixed up unique values, allow null in unique unless there is default value
swc-1309 - fix table tab state after delete, and route back to tables root
merge upstream
code review changes
take out class check
Merge pull request #929 from dburdick/swc-1069

Swc 1069 - several