Merge pull request #1 from nattee/master

update syntax of form_for to rails 3.2.8. Fix "message cannot be replied by Admin"
Merge pull request #2 from nattee/master

let testdata importer set the full score
Merge pull request #3 from nattee/master

my fault, fixing auto full score to properly handle subtask case
Merge pull request #1 from jittat/master

Merge pull request from origin.
Implement list_all action for message console
Update rails version to '3.2.19' to compensate with issue stated by nattee on pull request #4 of cafe-grader-judge-scripts, add view of list_all action
Merge pull request #4 from sarunint/master

Implement list_all action for message console and update rails version.
Merge pull request #5 from nattee/master

update depricated Rails2 errors.add_to_base("x") to Rails3 errors.add(:base,"x")
Merge pull request #6 from nattee/master

update mail functionality. Update syntax for mail gem (we might need mor...
Merge pull request #8 from nattee/master

Update to rails 3.2.19
Merge pull request #9 from nattee/master

add option to update PDF file of a problem in /problem/edit/:id
Merge pull request #1 from jittat/master

Pull all-message from jittat master