clean up view files
create signup function with validation
Modify displaying dialong, when complete signup.
Add item edit function.
Add item edit function.
Add item delete function.
Use Eloquent class instead of DB class.
Add Markdown function.
Deal with the XSS problem.
Refactor getting login user information.
Fix before authentication filter.
Fix Authentication Bugs.
Fix Authentication Bugs.
Fix Authentication Bugs.
Refactoring routes.php
refs #1

image upload enabled at item create page !!
Merge branch 'feature_image_upload' of https://github.com/fortkle/athena into feature_image_upload