Features/make goto command working for cronjobs

hello @effkay
rvm expects stdin to be a terminal.
so if the blazing goto command is executed by a cronjob it will fail with the error
"Pseudo-terminal will not be allocated because stdin is not a terminal.
...Could not find rake-10.0.4 in any of the sources (Bundler::GemNotFound)"

to force pseudo-tty allocation even if stdin isn't a terminal a second -t option is needed for the ssh command.
therefore my pr...