Allow more absolute paths in Config

Elwig/Helpers/Config.cs

@@ -23,7 +23,7 @@ namespace Elwig.Helpers {
 
             if (ini == null || !ini.TryGetKey("database.file", out string db)) {
                 DatabaseFile = App.DataPath + "database.sqlite3";
-            } else if (db.Length > 1 && db[1] == ':') {
+            } else if (db.Length > 1 && (db[1] == ':' || db[0] == '/' || db[0] == '\\')) {
                 DatabaseFile = db;
             } else {
                 DatabaseFile = App.DataPath + db;

Elwig/Helpers/Gradation.cs

@@ -1,47 +0,0 @@
-namespace Elwig.Helpers {
-    // 1 °KMW = 
-    // 1 °NM  = kg/100L = 10g/L
-    // 1 °Oe  = 
-    // 1 °Bé  =
-    // 1 °Bx  = g/100g (x Gramm Zucker pro 100 Gramm Flüssigkeit)
-    internal class Gradation {
-        /// <summary>
-        /// Gradation in mg/L.
-        /// </summary>
-        uint mgpl;
-
-        public Gradation(uint mgpl) {
-            this.mgpl = mgpl;
-        }
-
-        public static double relativeDensity(double todo) {
-            return 0;
-        }
-
-        public static double KmwToOe(double kmw) {
-            return 0;  // TODO
-        }
-
-        public static double OeToKmw(double oe) {
-            return 0;  // TODO
-        }
-
-        public static Gradation FromKmw(double kwm) {
-            return new Gradation(0);  // TODO
-        }
-
-        public static Gradation FromKmw(double kmw, double t) {
-            // The temperature can be ignored, because no volumetric unit is involved.
-            // 1 °KMW = 1g/100g
-            return FromKmw(kmw);
-        }
-
-        public static Gradation FromOe(double oe) {
-            return new Gradation(0);  // TODO
-        }
-
-        public static Gradation FromOe(double oe, double t) {
-            return null;
-        }
-    }
-}