Begun update to IO
Work on new modelfile parser
Merge branch 'master' into dev-io

adding in changes from master
Completed structure for New Modelfile
Begun assignment of read in
Data
some changes to file reading
Added module containing domain type
Should have been an f90 file
Delete modeldomainmodule
Added methods to compute model parameters from
mineral content to modeldomainmodule and integrated
with ModelFileModule
geotherm now compiling
unittests compiles
Added region module and called delete
on domain at end
removed spurious comments
Work on new io structure and start
of logfile
Logfile writes added for modelfile read
currently only writting to logfile.log
Now giving correct answer for rewritten
modelfile
Added velocity testcase
Logfile and velocity tests appear to be working
Added domain coordinate and frame of referance
subroutines to modeldomain