Added WbiSellmeijerRevised as PipingModel to be read/written from/to input xsd. Removed Wti from ConfigurationManager to enable using the WbiSellmeijerRevised model.Related to Issue [MWDAM-775]
Recommit of rev. 1507 (was part of MWDAM-1221). However, this also helps to speed up the reaction time of the tree after initial click. Related to Issue [MWDAM-1191]