Fixed hint and text color of input dialog (will use content and title text colors)

library/src/main/java/com/afollestad/materialdialogs/DialogInit.java

@@ -365,7 +365,8 @@ class DialogInit {
             dialog.input.append(builder.inputPrefill);
         dialog.input.setHint(builder.inputHint);
         dialog.input.setSingleLine();
-        dialog.input.setTextColor(builder.contentColor);
+        dialog.input.setHintTextColor(builder.contentColor);
+        dialog.input.setTextColor(builder.titleColor);
         MDTintHelper.setEditTextTint(dialog.input, dialog.mBuilder.widgetColor);
     }