thermo data defaulted
  - share/
  - configure.ac for file
  - src/thermo/ defaulted
  - test/*.C parsing method defaulted
  - src/parsing/ why duplicate???
      * cea_mixture...  used in tests
      * cea_thermo...   used in cea_thermo.h
Merge pull request #76 from SylvainPlessis/default_thermo

Default thermo (2)