add /usr/local/share to search path for config

src/environment/Environment.cpp

@@ -16,7 +16,8 @@ void Environment::init() {
 	};
 #ifndef _WIN32
 	// linux or osx
-	paths.push_back("/usr/share/netrunner/resources");
+    paths.push_back("/usr/share/netrunner/resources");
+    paths.push_back("/usr/local/share/netrunner/resources");
 #else
 	paths.push_back(""); //TODO: place it somewhere for windows
 #endif