censor: fix incorrect configuration name for ignoring error at censored file
According to recent "filectx.data()" implementation, "censor.policy"
should be configured as "ignore" to ignore error at censored file:
"censor.allow" seems outdated name.
--- a/hgext/censor.py Thu Apr 30 17:50:50 2015 -0500
+++ b/hgext/censor.py Fri May 01 22:19:20 2015 +0900
@@ -22,8 +22,7 @@
simply fail when asked to produce censored data. Others, like ``hg verify`` and
``hg update``, must be capable of tolerating censored data to continue to
function in a meaningful way. Such commands only tolerate censored file
-revisions if they are allowed by the policy specified by the "censor.allow"
-config option.
+revisions if they are allowed by the "censor.policy=ignore" config option.
"""
from mercurial.node import short