* github: Updated readme to match the recent webhook overhaul at GitHub. And the plugin rename I forgot to match in a comment. (github.php, readme.english.txt)

* Version number tweaks. (github/github.php, calendar/Calendar.php)

Signed-off-by: Nao <nao@wedge>
! birthday: Fixed incorrect link in language files. (Birthday-Admin.languages.php)

! birthday: Fixed empty e-mails being sent... Defeating the whole point of that plugin, I guess..! (Birthday-Scheduled.php)

Signed-off-by: Nao <nao@wedge>