Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/doc/props/P_AMOUNT b/doc/props/P_AMOUNT
new file mode 100644
index 0000000..a44e45a
--- /dev/null
+++ b/doc/props/P_AMOUNT
@@ -0,0 +1,8 @@
+NAME:
+    P_AMOUNT                      "amount"                      
+
+DEFINIERT IN:
+    /sys/properties.h
+
+BESCHREIBUNG:
+     Anzahl der Objekte, fuer die das Objekt steht.