Ask on first run if we have a low powered device

And then reduce the thread number accordingly

resources/language/English/strings.xml

@@ -417,6 +417,7 @@
     <string id="39069">Current address:</string>
     <string id="39070">Current port:</string>
     <string id="39071">Current plex.tv status:</string>
+    <string id="39072">Is your Kodi installed on a low-powered device like a raspberry pie? If yes, then we will reduce the strain on Kodi to prevent it from crashing.</string>
 
     <!-- Plex Entrypoint.py -->
     <string id="39200">Log-out Plex Home User </string>

resources/language/German/strings.xml

@@ -355,6 +355,8 @@
     <string id="39068">[COLOR yellow]Plex Media Server Adresse manuell eingeben[/COLOR]</string>
     <string id="39069">Aktuelle Adresse:</string>
     <string id="39070">Aktueller Port:</string>
+    <string id="39071">Aktueller plex.tv Status:</string>
+    <string id="39072">Läuft Kodi auf einem Raspberry Pie oder ähnlichem Computer mit äusserst wenig Rechenleistung? Falls ja, wird die Rechenlast reduziert, damit Kodi nicht abstürzt.</string>
 
     <!-- Plex Entrypoint.py -->
     <string id="39200">Plex Home Benutzer abmelden: </string>

resources/lib/initialsetup.py

@@ -474,6 +474,15 @@ class InitialSetup():
             self.logMsg("User opted to use FanArtTV", 1)
             utils.settings('FanartTV', value="true")
 
+        # Is your Kodi installed on a low-powered device like a raspberry pie?
+        # If yes, then we will reduce the strain on Kodi to prevent it from
+        # crashing.
+        if dialog.yesno(heading=self.addonName,
+                        line1=string(39072)):
+            self.logMsg('User thinks that PKC runs on a raspi or similar', 1)
+            utils.settings('imageCacheLimit', value='1')
+            utils.settings('syncThreadNumber', value='1')
+
         # Make sure that we only ask these questions upon first installation
         utils.settings('InstallQuestionsAnswered', value='true')