[FIX]Allow showing the button to do a 'svn up' on an instance to registered users (like the one that added the bug report and instance), and not just ot admins with the right to destroy the instance.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49029 b456876b-0849-0410-b77d-98878d47e9d5
[FIX]Stop showing twice the content from a field type 'static text' when when editing the item through tiki-view_tracker_item.php, since contents of 'Static text' are stored in the description box.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49030 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/12.x 49027 to 49030

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@49033 b456876b-0849-0410-b77d-98878d47e9d5
[FIX]Typos
[MOD]Changed the texts to add also the common wording & icon that the admin will find in other parts of Tiki. Changed the link to Admin Panel into a button, to keep similar layout for the three actions. Still too much text, maybe?. Thanks Alain.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@49034 b456876b-0849-0410-b77d-98878d47e9d5