* use array type parameter instead of string to escapeLocalUrl(), getFullURL() and getFullUrl() for readability
* add FIXME in Parser.php and LogEventsList.php where I didn't know how to replace makeKnownLinkObj by link()
* return type for private method Skin::editUrlOptions() changed from string to array
* some code readability improvements
Linking this to r51559 for CodeReview as there is some discussion there, and these changes are very similar.
Todo: core special pages
* Uses normal logging framework, but
** doesn't duplicate the log in recentchanges ;)
** uses a cleaner method to override LogPage::actionText() and do all the formatting
* Introduces PatrolLog::record()
