projects references to directory_class .....
directories relation bug is fixed, before If I created class Algorithm in 2014-fall, 2014-spring directory can reference Algorithm but now it is fixed!
edit, destroy is implemented in each directories
2014_11_04
restore db migrate file
add feature home view login or not
feature modify semester directory view
If classes created, return to direcotry_semester page
modify user attire
classes show view changed,,,,,,
modify log in confirmation, email to student id.
Merge commit '24ba53786e5ded7a4d93885fc381ce2cbcbdb2fb' into develop
add New button in semseter index view
test code view
Merge commit '12bfe7f1f4f6acb0931fe2dc5218048646f71369' into develop
test code view
feature modify user registration view
feature add search projects
modify home view
modify home view