[MULTI] Implement option Value adjustment in Companion (#4459)

* [MULTI] Implement option Value adjustment in Companion

Also refactor ui code to use the same multi table as the radio to make updates easier and consistent

* Fix warnings with gcc 6

* Make the whole thing more C++ like

Using QVector instead of std::vector gives me strange errors.

* Fix gcc warning

* another signedness fix

* Add missing include

* Add Gw008 protocol and move subtype definitions out of the translations

* Add note about struct

* More cleanups

Integrate @mpaperno’s latest ideas about cleaning up

companion/src/storage/mountlist.cpp

@@ -227,7 +227,7 @@
 
 #ifdef MOUNTED_GETMNTINFO
 
-# if ! HAVE_STRUCT_STATFS_F_FSTYPENAME && !defined(__clang__)
+# if ! HAVE_STRUCT_STATFS_F_FSTYPENAME && defined(MOUNTED_VMOUNT)
 static const char *
 fstype_to_string (short int t)
 {
@@ -323,7 +323,8 @@ fstype_to_string (short int t)
 }
 # endif
 
-#if !defined(__clang__)
+// Not used
+#if 0
 static const char *
 fsp_to_string (const struct statfs *fsp)
 {