Merge pull request #4 from jas11/devel

Devel
updated some comments in README and in configure
Merge pull request #5 from komatits/devel

updated some comments in README and in configure
Fixed call of write_seismograms in iterate_time and an allocate issue with ASDF that was causing the output to hang when more than 6 processors were used to run the solver.
Fixes bug with ASDF where the sovler hangs when too many processors were used.