Tahoe Code SVN development

removed localization check from RGVIB2D and added it to material forces

cast away const-ness to construct extended connectivities in ConnectsU

add debugging items.

check for parallel execution in element ConnectsU

add new updated lagrangian material force element class

remove old material force element class

revised rescaling of update vector for local iteration to keep the damage
between 0 and 1.

corrected processing of restart information

removed implicit int to double conversion warning

added an elastic-plastic interface model.
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