Exploded lang file into multiple ones

Update strings.json, compile.py, and 17 more files...

commons/strings/lb/home.json

@@ -0,0 +1,4 @@
+{
+  "home.title.nav": "Doheem",
+  "home.intro.title": "Wëllkomm op <i>NibblePoker.lu</i> !"
+}

commons/strings/lb/lang.json

@@ -0,0 +1,3 @@
+{
+  "lang.current": "Luxembourgish"
+}