Modified input reader to use freestream values as initial condition values if 'ic' values not given in input file.
Fixed serial calculation of wall distance
Added source.cpp to Autotools makefile
Updated AutoTools compilation capabilities
The code can now be compiled for GPU-enabled devices using the
auto-configuration scripts by setting the proper configure flags
(see configure_run.sh for an example, or do ./configure --help).
Updated README to reflect changes to AutoTools compilation options.
Merge branch 'master' of github.com:HiFiLES/HiFiLES-solver into feature_mesh_blend