Added public files

Roughly added all public files. Probably missed some, though.
diff --git a/doc/props/P_SHOW_ALIAS_PROCESSING b/doc/props/P_SHOW_ALIAS_PROCESSING
new file mode 100644
index 0000000..cb49cf8
--- /dev/null
+++ b/doc/props/P_SHOW_ALIAS_PROCESSING
@@ -0,0 +1,8 @@
+NAME:
+    P_SHOW_ALIAS_PROCESSING       "show_alias_processing"       
+
+DEFINIERT IN:
+    /sys/player.h
+
+BESCHREIBUNG:
+     Arbeit des Parsers beobachten (debugging)