Added an API token for each User to use when making API requests. (#3920)

The API key will be displayed on My Account page with a link to reset or
generate a new one.  All existing users will have a token generated by the
migration.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3217 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/my_controller.rb

@@ -108,6 +108,19 @@ class MyController < ApplicationController
     redirect_to :action => 'account'
   end
 
+  # Create a new API key
+  def reset_api_key
+    if request.post?
+      if User.current.api_token
+        User.current.api_token.destroy
+        User.current.reload
+      end
+      User.current.api_key
+      flash[:notice] = l(:notice_api_access_key_reseted)
+    end
+    redirect_to :action => 'account'
+  end
+
   # User's page layout configuration
   def page_layout
     @user = User.current