MAINT-1995 Names of banned and allowed residents are not shown in Access tab of the About Land dialog
Code by Richard, reviewed by merov and kelly

MAINT-1953 Run through viewer stats and update GPU table with missing entries and new expected OpenGL versions

* Fix one race condition that could dereference a dangling pointer.
reviewed with Simon and Baker.

MAINT-1958 More robust error handling -- handle the case where the FBO allocation failure occurs when enabling lighting and shadows.

will run with higher connection concurrencies.  I'm using this to
test the listener queue length reporting on apaches and everything
is consistent and as expected with this change (stuck at eight before).

Reviewed by VoidPointer

Bumped the default retry limit up from 5 to 8 which gives up to
15 seconds more dwell time should the viewer get a 503 or other
recoverable error on access.