adding makefile
check in for 2D DEFEM Q1P0
New DE-based elements and materials
adding 2D Q1P0 files
updates to surface tension model
finalize mass penalization and add new leftType
There are some issues with the code
Drucker-Prager with cap has been added to the Micromorphic element
MicroGradient plasticity has been completed
MicrogradientPlasticity is working but convergence is linear