Increase cache size in Doxyfile-api

Set SYMBOL_CACHE_SIZE and LOOKUP_CACHE_SIZE to values that were determined
to be ideal by doxygen. Higher values means higher memory usage, but ideal
values improve performances.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@10407 b7f1a160-662a-0410-a6d8-bea165342f16
Compliant: allow for pre-factorized Response

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@10408 b7f1a160-662a-0410-a6d8-bea165342f16
ManualMapping: precompilation for Vec3 to Vec3

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@10409 b7f1a160-662a-0410-a6d8-bea165342f16
Compliant: fixing warnings

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@10410 b7f1a160-662a-0410-a6d8-bea165342f16
Eigen: Improved CMakeList so the header files appear in the solution (easier to navigate in the source with an IDE)

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@10411 b7f1a160-662a-0410-a6d8-bea165342f16