Removed custom generation of exception string from exception and instead using ExceptionFormatter class, as part of issue #1311
Merge branch 'develop' into issue/1311
Merge branch 'develop' into issue/1311
Added extra information about server log when returning 500 ISE response.
Merge branch 'issue/1311' into develop
Merge branch 'develop' of https://github.com/Starcounter/Starcounter into develop