Fix split command argument leading to error raised and incorrect path returned
Merge branch 'master' of https://github.com/capistrano/capistrano into fix_last_release_path_bug

Conflicts:
	lib/capistrano/tasks/deploy.rake
remove last_release_path and add check in rollback_release_path

- remove last_release_path task per seenmyfate
- add error check per seenmyfate
Merge pull request #743 from rubyisbeautiful/fix_last_release_path_bug

Fix split command argument leading to error raised and incorrect path returned