pipesSearchResult.DataBindings add and simple mapping for pipe
Table Per Type(TPT) mapping (erase Item)
Fluent NHibernate's equivalent for table per class
change db and add criteria search
Merge branch 'master' into D_Sidorov_searchPipeForm

Conflicts:
	src/Data/DAL/Hibernate/AbstractHibernateRepository.cs
	src/Data/DAL/Mapping/PipeMap.cs
	src/PrizmMainProject/PrizmApplication.csproj
	src/PrizmMainProject/PrizmModule.cs
conflict resolving
add missing ItemMap.cs file
fillDb.sql and createDb.sql update
update mapping for RailcarMap.cs and PurchaseOrderMap.cs
corrections were carried out according to the comments
Merge pull request #182 from olga-jane/D_Sidorov_searchPipeForm

D sidorov search pipe form #168