Allow our target FPS to be set and for rendering to be disabled entirely.  I'm either going to slow the target FPS to 1 (easy) when we're loading models or disable it entirely except when we want to update the loading marquee (pesky) once I determine for sure whether or not the 1 FPS method does the trick.
Allow our target FPS to be set and for rendering to be disabled entirely.  I'm
either going to slow the target FPS to 1 (easy) when we're loading models or
disable it entirely except when we want to update the loading marquee (pesky)
once I determine for sure whether or not the 1 FPS method does the trick.


git-svn-id: a1a4b28b82a3276cc491891159dd9963a0a72fae@4044 542714f4-19e9-0310-aa3c-eee0fc999fb1

threerings/narya,threerings/narya,threerings/narya,threerings/narya,threerings/narya