editing and maintenance and user suggestions

* every user has a right of a username and a display name and has the right to change it
* System information page now shows information about database user count, char count, and database schema version
* more maintenance lists
* show the right values in columns and fields
* move similar from inside of frontend component functions to utility js when used multiple times
* display help on mouse over
* add more than one believe to character
* make char name editable with better char info in headline
* GiT Gifttoleranz value not calculated correctly
* Bump backend to 0.2.3, frontend to 0.2.2

backend/transfer/database.go

@@ -1,7 +1,7 @@
 package transfer
 
 import (
-	"bamort/config"
+	"bamort/appsystem"
 	"bamort/database"
 	"bamort/models"
 	"bamort/user"
@@ -90,7 +90,7 @@ func ExportDatabase(exportDir string) (*ExportResult, error) {
 	}
 
 	export := DatabaseExport{
-		Version:   config.GetVersion(),
+		Version:   appsystem.GetVersion(),
 		Timestamp: time.Now(),
 	}