[FIX] perms: Update check_permission_either to support object permissions and apply object specific checking in tiki-view_tracker. More to come... (thanks Frank, Luci, Lindon, LP and all) Also added some doc comments

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50602 b456876b-0849-0410-b77d-98878d47e9d5
a few fixes

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50603 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] tracker perms: Use Tracker_Item::canView to filter tracker items so proper logic and rules get applied (thanks LP)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50604 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] trackers: Notices

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50607 b456876b-0849-0410-b77d-98878d47e9d5