implemented Thermostatic3WayValveExample so both legs can be hot or cold
updated example with zero flow test
changed Partial3WayValve into no reversibleflow
numerical issues with Thermostatic3WayValveExample.mo
Merge branch 'Annex60' into issue54_3wayValve
made bugless implementation of thermostatic3wayvalve that works if either of the two ports can be the hot port. Updated unittest.
accepted new reference result for thermostatic3wayvalveexample
updated thermostatic3wayvalve unit test and reference results
added start values, added homotopy, removed steady state condition
Merge branch 'issue54_3wayValve' of https://github.com/open-ideas/IDEAS into issue54_3wayValve
change graphic of threeWay vavle + use function Limit instead of min and max + change m_flowBottom to m_flow_a2
Merge pull request #63 from open-ideas/issue54_3wayValve

Issue54 3way valve