Adds a new key DEFAULT_SHOW_FULL_NAME (default false) to the [ui] section.
If enabled the full name will be shown (unless it's empty, then
the default username will be used)
* Make Ghost not link to 404 page
* Make correct localization label show
* Create and use GetLastEventLabelFake for when a Ghost user has made the action, thus not linking to a user profile
* Add corresponding _fake entries to locale_en-US
* Make Ghost avatar not link to 404 page
* Make Ghost on milestone_issues not link to 404 page
* add milestone issues and pulls page instead of redirecting issues page
* add milestone when creating issue from milestone page
* refactor to merge similiar codes as a new function issues
* remove milestone info on milestone issues list
* fix missing params
