Refactor build system to use waf. Waf is better at handling dependency paths which I need for IDL support

pidl/META.yml

@@ -1,18 +0,0 @@
-name: Parse-Pidl
-abstract: Generate parsers / DCE/RPC-clients from IDL
-author:
-    - Andrew Tridgell <tridge@samba.org>
-    - Jelmer Vernooij <jelmer@samba.org>
-    - Stefan Metzmacher <metze@samba.org>
-    - Tim Potter <tpot@samba.org>
-license: gplv3
-installdirs:  site
-homepage: http://www.samba.org/
-bugtracker: http://bugzilla.samba.org/
-requires:
-    Parse::Yapp: 0    
-recommends:
-    Data::Dumper: 0
-meta-spec:
-    version: 1.3
-    url: http://module-build.sourceforge.net/META-spec-v1.3.html