Revert "Merge pull request #22 from tk0miya/cooperate-with-rvm-capistrano"
Revert "Merge pull request #22 from tk0miya/cooperate-with-rvm-capistrano"

This reverts commit ffdfc12a946339693fda73fa17c17f4ec0c34de0, reversing
changes made to 9fcd6d6085f06fcee9be9c04d814ad3cb82f8fea.

iain/roundsman,iain/roundsman