Adds script and data to check model
Search for math (-lm) library in configure
Now configure checks whether GNU Fortran compiler supports -fno-align-commons
Now compiles with clang compiler
Indented with GNU indent

With options: -lp -br -ce -bap -brf -nut -npcs -npsl -i4 -l80
Add version.h to dist
Removed unused variables
Fix conditional

Replaced binary operator (&) with boolean operator (&&).
Removed warnings with gcc4.4