Issue #1543876 by rterrein: MultiLink breaks language switcher links if drupal is running in a subdirectory

Added new setting "multilink_redirect_ignore_paths", provides for configuration of paths to ignore completely.

* Kristen Pol - Added test for _multilink_filter_default_settings() before calling it - fixes [#1407304]
* Removed debug message in install file and re-activated variable deletion on uninstall.
* Removed unused multilink_menu() hook.

MultiLink Filter
* Kristen Pol - Fixed substr_compare error [#1407288] (recoded to be shorter.)

General tidy-up of commentd and code standards.

* Added 'bypass multilink redirect' permission to prevent redirect for admin and any other assigned roles (for testing or translation team.)

* Bug fix to multilink_url - preferred language was not set properly, so urls would not use it.

MultiLink Secure Pages
* Minor fix to function definition to prevent PHP warnings about pass-by-reference.

To release as 2.4

* Minor fix to function definition to prevent PHP warnings about pass-by-reference.

* Changed multilink_nodeapi() and _mulitlink_cache() to address cache update issue when deleting nodes. See [#907724]

* Changed to use user's language preference when generating url, see [#796822]

MultiLink Redirect
* Added 'bypass multilink redirect' permission to prevent redirect for admin and any other assigned roles (for testing or translation team.)

To be released as 2.2.

create branch 'DRUPAL-6--2'.

Cherrypick from master 2010-04-15 19:58:58 UTC Andy Inman <netgenius@216383.no-reply.drupal.org> 'New sub modules':
    check_markup_language_patch_1.patch
    multilink_redirect/multilink_redirect.info
    multilink_redirect/multilink_redirect.module
    multilink_securepages/multilink_securepages.info
    multilink_securepages/multilink_securepages.install
    multilink_securepages/multilink_securepages.module