Initial copy-in of 1D source
Permuted indices; removed maxmx; revamped claw1ez; added use_fwave
Adding 5.0 outaux setup; reordering loops
Starting to bring over book example chap9/acoustics/interface
1D debugged and tested, example agrees with 4.3 book example chap9/acoustics/interface
Merge pull request #39 from gradylemoine/reordered-1d

Reordered 1D