[tracker] doap: add <programming-language>

[Piotr Drąg <piotrdrag src gnome org>]

commit d5d38b89ded24eb1b302e812ebf1c572023ca828
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Jul 31 19:59:44 2014 +0200

    doap: add <programming-language>

 tracker.doap |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/tracker.doap b/tracker.doap
index aee048c..af81828 100644
--- a/tracker.doap
+++ b/tracker.doap
@@ -19,6 +19,8 @@ mixing contacts with files, locations, activities and etc.).</description>
   <download-page rdf:resource="http://download.gnome.org/sources/tracker/"; />
   <bug-database rdf:resource="https://bugzilla.gnome.org/browse.cgi?product=tracker"; />
   <category rdf:resource="http://api.gnome.org/doap-extensions#core"; />
+  <programming-language>C</programming-language>
+  <programming-language>Vala</programming-language>
 
   <maintainer>
     <foaf:Person>