Correct typo
Merge pull request #446 from Silex/typo

Correct typo
Merge pull request #441 from tuhdo/master

Improve projectile and helm-projectile with more features
Merge pull request #449 from tuhdo/master

Add helm-projectile-find-other-file
Merge pull request #450 from tuhdo/master

Remove unnecessary "Find shell command" action, fix prompt typo and fix some actions