Reviewed by prep.

Extended the current filename checking to handle the case where we
have a user cancel a selection of an LOD file beyond the first.
mLoading is made false in either case, but the dialog is closed
if a file has not been chosen for the highest LOD.

Interface/state for rendering convex hull physics shapes.  Still need to implement gMeshRepo.buildHull

Correct rendering of prims as user meshes/analytical shapes when not set to convex hull or no physics.

we were calling markVisible when we shouldn't have, resulting in a segfault
from dereferencing a null pointer. Removed the offending line and the
animation upload works now.

Reviewed by davep

built new glod against gcc 4.0 and SDK 10.4, so it should run on all OSX
systems back to 10.4. Updating install.xml with the new package.

Add the ability to clear LOD slots.
Make triangle count UI more responsive to Generate LOD button.
Add triangle count debug display for current selection.

Reviewed by Nyx

whoops. misspelled the address of the new package.

updating the convex decomp library (built by falcon) to fix the broken
Delaunay option.

Remove llfloaterimportcollada

Reviewed by Prep.