[FIX] Calculate headtitle var if not set. Many pages had erroneous or no browser title, often picking up a tracker or aticle name used in a module or plugin. So for 'admin', 'list' and 'view' pages, this uses the file name to create a suitable title.
[FIX] Calculate headtitle var if not set. Many pages had erroneous or no browser title, often picking up a tracker or aticle name used in a module or plugin. So for 'admin', 'list' and 'view' pages, this uses the file name to create a suitable title.

git-svn-id: 722c0fef737e30edb7d5e851b50e1eda1e207b8c@27053 b456876b-0849-0410-b77d-98878d47e9d5

oregional/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki,oregional/tiki,tikiorg/tiki,changi67/tiki,changi67/tiki,changi67/tiki,tikiorg/tiki,changi67/tiki,oregional/tiki,changi67/tiki