[Phpgroupware-developers] Add clickable links to calendar event emails for 0.9.16

[Brian Johnson]

Requires change to one file .. bocalendar

Code changes submitted with patch at
https://savannah.gnu.org/patch/index.php?func=detailitem&item_id=3060

(the links for people not logged in or using a cookies phpgw system require
the home.php file from HEAD available here
http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/phpgroupware/phpgroupware/home.php?rev=1.16.2.1.2.5
)