Switch to side-by-side view

--- a/requirements.txt
+++ b/requirements.txt
@@ -12,9 +12,6 @@
 sf.phpsession==0.1
 tg.devtools==2.0.2dev-20100628
 TurboGears2==2.1b2dev-20100628
-Zarkov==0.1.0dev-20110630
-gevent==0.13.6
-greenlet==0.3.1
 
 # Include our common requirements
 -r requirements-common.txt