update view signin_page, add link to new_user_path
add .travis.yml, #5
add user destroy button to view user edit #2
fix the bug issue #7
add feature spec in users_page_spec #8
convert controller.stub! to contoroller.stub
Merge branch 'feature/issue/8' into develop #8
update README.md issue #6
Merge branch 'release/0.0.1'