Add some more fabric commands

fabfile.py

@@ -32,8 +32,9 @@ def chdir(path):
     if env.local:
         with lcd(path):
             yield
-    with cd(path):
-        yield
+    else:
+        with cd(path):
+            yield
 
 @_contextmanager
 def virtualenv():
@@ -62,6 +63,10 @@ def runserver(port=3333):
     ip = runcmd("""ip addr list eth0 |grep "inet " |cut -d' ' -f6|cut -d/ -f1""", capture=True)
     manage('runserver %s:%s' % (ip, port))
 
+@task
+def collectstatic():
+    manage('collectstatic --link --noinput')
+
 @task
 def syncdb():
     manage('syncdb --migrate --noinput')