Replaced delegator methods with Forwardable def_delegator in Topic
Rake Commands can be chained

We can run all three setup related commands in one go, making it easier for people to copy-paste. Also it would be bit faster, I would imagine.
Move `insideGroup` into the helper, not the class for grouped each
FIX: Don't do intraword italics when prefixed by a forward slash
Merge pull request #1405 from gaurish/patch-1

Rake Commands can be chained
Merge pull request #1403 from einarj/use_topic_delegators

Replaced delegator methods with Forwardable def_delegator in Topic
Add "Unread" filter to messages tab. Rename the other two views.
Version bump to v0.9.6.2
better copy for repeated URL blocking
remove footer newline from digest emails, is ugly