Tahoe Code SVN development

Corrected the algorithm for calculating the principal components of the spatial tangent modulus for the case of repeated roots. General clean up of the code.

added script to clean the multiscale subdirectory tree

Fixed implicit conversions of double to int

Base class for Ogden isotropic compressible material model.

Added a check to prevent material forces from being evaluated at kinematically constrained nodes.

Fix implicit conversion from double to int in RGBaseT.cpp. Made minor modifications to NeoHookean.cpp

Modified configuration files to include compiler flags for the added material force element and viscoelastic/Ogden material models.

Moved Simo-Holzapfel model to the developement module.

Moved Reese-Govindjee module to the development module

Remove backup file.