• bug_view_advanced_page.php
  add a link to send a reminder

• bug_view_page.php
  add a link to send a reminder

• config_defaults_inc.php
  (g_store_reminders): new config option controlling whether to add a bugnote when a reminder is sent
  (bug_reminder_threshold): new config option controlling access to reminders features

• core/email_api.php
  (email_send): add debug_email functionality (basic) when not use phpMailer
  (email_bug_reminder): new function to email a bug reminder

• core/print_api.php
  (print_project_user_option_list): new function to print options for users who have access to a project

• core/project_api.php
  (project_get_user_access_level): removed and renamed to...
  (project_get_local_user_access_level): renamed function
  (project_get_all_user_rows): removed and renamed to...
  (project_get_local_user_rows): renamed function
  (project_get_all_user_rows): new function to return a list of user info for every user who has access to a project
  (project_copy_users): fix to use renamed functions

• core/user_api.php
  update to use renamed project_api functions

• lang/strings_english.txt
  new strings for bug reminder feature

This mostly adds the bug reminder feature based on a patch provided by Yves Durasnel huile@olyves.com. I rewrote project_get_all_user_rows() and added the debug_email functionality in core_email since I needed it to test. I should have applied it as a separate commit but it was too much of a pain.

git-svn-id: http://mantisbt.svn.sourceforge.net/svnroot/mantisbt/trunk@1671 <a class="text" href="/?p=mantisbt.git;a=object;h=f5dc347c">f5dc347c</a>-c33d-0410-90a0-b07cc1902cb9