Merge commit 'e4854a9cd6' into android

Conflicts:
	src/voices.cpp

src/dictionary.cpp

@@ -300,10 +300,6 @@ int LoadDictionary(Translator *tr, const char *name, int no_error)
 
 	// set up indices into data_dictrules
 	InitGroups(tr);
-	if(tr->groups1[0] == NULL)
-	{
-		fprintf(stderr,"Error in %s_rules, no default rule group\n",name);
-	}
 
 	// set up hash table for data_dictlist
 	p = &(tr->data_dictlist[8]);