Removed the Html property from Json.
Fixed spelling and Wiki link in installer GUI.
Added transaction constructor that runs the transaction.
Added Db.Sql synonym to Db.SlowSQL.
Execute checkpoint in scope for current jsonobject and always use parent transaction (if any). Fixes #1585
Merge branch 'issue/1585' into develop
Merge branch 'develop' of https://github.com/Starcounter/Starcounter into NewSqlProcessor