Moved info_from_file code into superclass from Chemstation files.
Centralized common Agilent code.
Removed icon copying. Should be handled by pkg_resources anyways? Need
to test.
Added more file types that should be supported.
Prelim code for CODA.
Testing code for building Windows version with MS libs included.
Plot actuals (pres, flow, etc) from (old) Chemstation files.
Added table of constants to d13C calculation.
delta13C code now returns same (+-0.002 permil) values as Isodat.