Merge pull request #43 from hoshinotsuyoshi/schedule

Modify schedule
Merge pull request #44 from hoshinotsuyoshi/modify_build_view

Modify build show.haml.html
$ bundle update
Merge pull request #45 from hoshinotsuyoshi/bundle_update

$ bundle update
$ bundle update
$ rake rails:update
Merge pull request #46 from hoshinotsuyoshi/rails_4_2

Rails 4 2
Update app.json
Update README.md
ruby 2.1.3
Add gem acts_as_shellscript_executable
Merge pull request #47 from hoshinotsuyoshi/ruby2.1.3

ruby 2.1.3
Use acts_as_shellscript_executable
Merge pull request #48 from hoshinotsuyoshi/acts_as_shellscript_executable

Acts as shellscript executable