add back link on project/new page
update user_params github_url to github_login to apply current schema
change button shape
implement user edit page
fix the linkedin url path
add edit, delete buttons in project show page
add about us page
modify footer to have developer's name rather than github login id
add about_path for about_us page
add condition to apply project delete permission
fix linkedin_url
Merge branch 'work-flow'