set modified_by_user=nil instead of breaking if no user is logged in
-rw-r--r-- 742 .gitignore
-rw-r--r-- 63 Capfile
-rw-r--r-- 67 Capfile.ant
-rw-r--r-- 1078 Gemfile
-rw-r--r-- 3902 Gemfile.lock
-rw-r--r-- 9208 README
-rw-r--r-- 271 Rakefile
drwxr-xr-x - app
-rw-r--r-- 156 config.ru
drwxr-xr-x - config
drwxr-xr-x - db
drwxr-xr-x - doc
drwxr-xr-x - lib
drwxr-xr-x - log
drwxr-xr-x - public
drwxr-xr-x - script
drwxr-xr-x - test
drwxr-xr-x - vendor