Changed welcome filt to /userpage
Deleted dead code
Added add comment form
Fixed bug related with method termination
Fixed welcome file url pattern
Fixed bug related with account's role
Simplified code a little bit
Added link to the /userpage for admin
Deleted useless section
Changed input name
Added a bit of structure
Added a bit of structure
Fixed bug related with incorrect log out process
Added filter mappings for LogOut controller
Changed relative path to absolute one
Fixed bug related with retrieving the wrong session object
Changed relative path to the absolute one
Changed a relative path to an absolute one