SPECFEM 3D Geotech v1.2.0

• The file format of the displacement boundary conditions has changed (See Section 3.2.5 of the manual).
• Now the program can be run from the general locations.
• Main routines are modularized in preparation to add other features in the coming versions.
• Removed all instances of runtime warning for temporary arrays.
• Added step-by-step tutorials for both serial and parallel runs.
• Added GiD mesh converter.
• Improved EXODUS mesh converter.
• Fixed several minor bugs.
• Structural change and overall code cleanup.