added support whenever and fix exit from console

[jpascal]

No description provided.

[chuckd]

Thanks for this, handy for me!

Could you include an example of how you use this from your deploy block? I am trying to invoke the whenever:update task after the current symlink is created, but can't see how: if I put "invoke :'whenever:update'" anywhere in the deploy block then it gets run too early.

At the moment I've put the invoke :whenever:update outside the deploy block so the update definitely happens after the deploy is finished, but not sure if this is right.

[rstacruz]

Nice one! bundle exec should probably use #{bundle_bin} though, so people can override it (say, JRuby folks will probably use jruby -S bundle).