Added ErrorMessage model
Add ErrorMessage model, increase length of error code field because why not
Useful methods for ErrorMessage model
Helper object for error messages for different organizations
Helper method for ErrorMessage that gets a message from the database and formats it
Improve errors for no measurement type, no location
Add new models to admin
Add initial content for ErrorMessage model
ErrorConfiguration object now works with 'in' instead of a function call, more readable
MET parser now uses ErrorConfiguration, added content checks
Use 'UNKNOWNCODE' if for some reason no error code is given, rather than crashing
Add tests for ErrorMessage
Remove log message
Merge pull request #22 from lizardsystem/remco-wip-different-errors-for-different-organizations

Different errors for different organizations, more content checks