Fix a issue where read_pid was failing when a trema name was specified with -n or --name option.
Suppress invalid option error message.
Fix build on 32bit environment.
* Revert the test added and add cucumber scenarios.
* Support for Ruby Controller case.
Fix code format.
Fix feature description and clarify sample output.
Fix code format.
* Rename get_trema_process_from_name to get_pid_by_trema_name
* Mark get_trema_process_from_name as deprecated
* Rename get_trema_process_from_name to get_pid_by_trema_name
* Change example names to meaningful names
Revise .feature description.
Revise .feature
Revise .feature
* Capitalize PID
* Check error return in sample program.
* Revise description
Fix grammer,etc. in feature description.
Use same format in Rule description.
Make finalize_trema public to avoid using start_trema_up/down.
Merge pull request #267 from y-higuchi/fix_read_pid_check

Fix read_pid to support -n, --name option.