remove capital letters in package names

[EvenSol]

Follow Java code format rulles.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 31.42857% with 48 lines in your changes missing coverage. Please review.

Project coverage is 36.90%. Comparing base (af48a7d) to head (0ed5b32).

Files with missing lines	Patch %	Lines
...twophasepipeflowsystem/TwoPhasePipeFlowSystem.java	0.00%	6 Missing ⚠️
...sereactorflowsystem/TwoPhaseReactorFlowSystem.java	0.00%	6 Missing ⚠️
...va/neqsim/datapresentation/jfreechart/Graph2b.java	0.00%	5 Missing ⚠️
...lowsystem/stirredcellsystem/StirredCellSystem.java	0.00%	5 Missing ⚠️
...n/processequipment/compressor/CompressorChart.java	0.00%	4 Missing ⚠️
...qsim/mathlib/nonlinearsolver/SysNewtonRhapson.java	0.00%	3 Missing ⚠️
...ssimulation/conditionmonitor/ConditionMonitor.java	0.00%	3 Missing ⚠️
...in/java/neqsim/datapresentation/DataHandeling.java	0.00%	2 Missing ⚠️
...wsystem/twophaseflowsystem/shipsystem/LNGship.java	75.00%	2 Missing ⚠️
...hasepipeflowsystem/TwoPhasePipeFlowSystemReac.java	0.00%	2 Missing ⚠️
... and 10 more

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1128      +/-   ##
============================================
- Coverage     37.14%   36.90%   -0.25%     
- Complexity     5685     5686       +1     
============================================
  Files           713      729      +16     
  Lines         70760    71229     +469     
  Branches       8117     8141      +24     
============================================
+ Hits          26283    26284       +1     
- Misses        42860    43328     +468     
  Partials       1617     1617              

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