debian packaging: Update control dependencies and changelog

The setup.py related changes are good enough to make the
avocado debian packages OK, but we were lacking the
python-pystache dependency on debian. Fix this.
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

debian/changelog

+avocado (0.14.0) trusty; urgency=medium
+
+  * Add new upstream version 0.14.0.
+
+ -- Lucas Meneghel Rodrigues (lmr) <lookkas@gmail.com>  Wed, 10 Dec 2014 18:13:44 -0200
+
 avocado (0.11.1) trusty; urgency=medium
 
   * Add new upstream version 0.11.1.

debian/control

@@ -7,7 +7,7 @@ Standards-Version: 3.8.4
 
 Package: avocado
 Architecture: all
-Homepage: http://autotest.github.com/
+Homepage: http://avocado-framework.github.io/
 XB-Python-Version: ${python:Versions}
-Depends: ${misc:Depends}, ${python:Depends}, python-yaml, python-lzma
+Depends: ${misc:Depends}, ${python:Depends}, python-yaml, python-lzma, python-pystache
 Description: Avocado is a framework for fully automated testing.