Additional option for USER_FORMAT, #{lastname}#{firstname} without any sperator (#3551).

Patch by Go MAEDA.

git-svn-id: http://svn.redmine.org/redmine/trunk@15133 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/user.rb

         :order => %w(lastname firstname id),
         :setting_order => 4
       },
+    :lastnamefirstname => {
+        :string => '#{lastname}#{firstname}',
+        :order => %w(lastname firstname id),
+        :setting_order => 5
+      },
     :lastname_comma_firstname => {
         :string => '#{lastname}, #{firstname}',
         :order => %w(lastname firstname id),
-        :setting_order => 5
+        :setting_order => 6
       },
     :lastname => {
         :string => '#{lastname}',
         :order => %w(lastname id),
-        :setting_order => 6
+        :setting_order => 7
       },
     :username => {
         :string => '#{login}',
         :order => %w(login id),
-        :setting_order => 7
+        :setting_order => 8
       },
   }