v0.4.9 allow URL for image path. Automatically download the image in the compute node

Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/openvimd.py b/openvimd.py
index 9176024..2e22121 100755
--- a/openvimd.py
+++ b/openvimd.py
@@ -30,7 +30,7 @@
 
 __author__="Alfonso Tierno"
 __date__ ="$10-jul-2014 12:07:15$"
-__version__="0.4.8-r495"
+__version__="0.4.9-r5002"
 version_date="Sep 2016"
 database_version="0.7"      #expected database schema version