Fixed 64-bit Boost detection on IRIX.  The 64-bit Boost build I made does not have the multi-threaded versions of the libraries.  I do not know if this is a bug in Boost or a mistake I made when building.
Fixed 64-bit Boost detection on IRIX.  The 64-bit Boost build I made does
not have the multi-threaded versions of the libraries.  I do not know if
this is a bug in Boost or a mistake I made when building.

Updated to depend on Doozer++ 1.99.15.


git-svn-id: 769d22dfa2d22aad706b9a451492fb87c0735f19@14427 08b38cba-cd3b-11de-854e-f91c5b6e4272

LiuKeHua/vrjuggler,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old,vancegroup-mirrors/vrjuggler,godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,vrjuggler/vrjuggler,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,godbyk/vrjuggler-upstream-old,vancegroup-mirrors/vrjuggler,MichaelMcDonnell/vrjuggler,godbyk/vrjuggler-upstream-old,godbyk/vrjuggler-upstream-old,vrjuggler/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,godbyk/vrjuggler-upstream-old,vancegroup-mirrors/vrjuggler,vancegroup-mirrors/vrjuggler,LiuKeHua/vrjuggler