start adding more fluid property models

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 98.23009% with 2 lines in your changes missing coverage. Please review.

Project coverage is 36.52%. Comparing base (e9eacdb) to head (321e083).

Files	Patch %	Lines
...qsim/thermo/characterization/TBPfractionModel.java	98.19%	1 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1075 +/- ## ============================================ + Coverage 36.41% 36.52% +0.11% - Complexity 5641 5645 +4 ============================================ Files 714 714 Lines 71408 71516 +108 Branches 8206 8210 +4 ============================================ + Hits 26002 26122 +120 + Misses 43786 43773 -13 - Partials 1620 1621 +1 ```

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