docfix: specify that reference pressure is in bara

[asmfstatoil]

No description provided.

[EvenSol]

good update

[codecov-commenter]

Codecov Report

Merging #827 (1466d9d) into master (0f0b20f) will decrease coverage by 0.01%.
Report is 1 commits behind head on master.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #827      +/-   ##
============================================
- Coverage     32.00%   31.99%   -0.01%     
- Complexity     4793     4795       +2     
============================================
  Files           703      703              
  Lines         69001    69001              
  Branches       7854     7854              
============================================
- Hits          22082    22079       -3     
- Misses        45546    45551       +5     
+ Partials       1373     1371       -2     

Files	Coverage Δ
...tDevice/HydrateEquilibriumTemperatureAnalyser.java	39.13% <ø> (ø)
...ation/measurementDevice/WaterDewPointAnalyser.java	30.00% <ø> (ø)
src/main/java/neqsim/standards/Standard.java	34.32% <100.00%> (ø)
...standards/salesContract/ContractSpecification.java	78.94% <ø> (ø)

... and 2 files with indirect coverage changes

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