Change `bin/cap3_deploy` file mode
* Made the file an executable one
* Prepended `bundle exec` to cap taks run
* Changed top comment to make more specific
Update `bin/cap_deploy`
* Prepended `bundle exec` to cap taks run
* Changed top comment to make more specific
Merge pull request #13 from sebasoga/add_cap3_deploy

Add cap3 deploy