UPDATE Vertex2Frame:
- Modify frame orientation when created if "useNormals" data is set to false. 
(useful when vertices are describing a line)

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9974 b7f1a160-662a-0410-a6d8-bea165342f16
Compliant: added Response api (moved from CompliantDev as it really belongs here), implemented LDLTResponse + DiagonalResponse. KrylovSolvers can now work on schur complement, provided that a Response component is given.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9975 b7f1a160-662a-0410-a6d8-bea165342f16
Compliant: added two examples demonstrating minres on kkt/schur with compliant cloth

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9976 b7f1a160-662a-0410-a6d8-bea165342f16
Compliant: added helper report function to KrylovSolver, updated child classes.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9977 b7f1a160-662a-0410-a6d8-bea165342f16
fixed some dependencies to SofaEigen2Solver

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9978 b7f1a160-662a-0410-a6d8-bea165342f16