Added in ability to log against project-manager projects and tasks.
Untabify: entries-postgresql.xql (sorry won't do it again!)
Fixed scalability issue with one one function call per project being
shown. Added in a dependency on new categories proc, which has a new
proc that greatly speed up display of logger entries.
Italicize the current location in the navbar
Added in links to project-manager in the navbar, when project-manager
is integrated with that instance of logger.
optimized the variable::get_default_variable_id proc for postgres (much faster)
sped up the select_users query by using persons instead of cc_users
sped up entries select query by using persons instead of cc_users
