Add spec T008 for git-contest-finish
Add Spec T009 for git-contest-init
Edit Spec T009
Move spec/bin/t006_*.rb -> spec/t006_*.rb
Implement Spec T009-001 / close #10
Improve Spec T009-001
Move spec/bin/t008_*.rb -> spec/bin/t008_*_spec.rb
Implement Spec T008-001 / close #5
Implement T008-002 / close #6
Implement T008-003 / close #7
Implement Spec T008-004 / close #8
Implement Spec T008-005 / close #9
Merge branch 'feature/add-specs' into develop