[main] Added versioning policy allowing to set up certain rules for entity version increasing

[main] Fixed problems with setting Catalog.Name, Catalog.DbName, CatalogNode.Name and CatalogNode.DbName properties

[main] Fixed certain cases when grouping by an Entity field caused wrong results

[main] Persisting of changes to database while EntitySet enumeration doesn't break enumeration

[main] Fixed initialization of fields of non-persistent types within queries

[main] Entity.Lock() locks correct raws in database

[main] DomainUpgradeMode.Validate mode became stricter to avoid data corruption

[firebird] Made column types extraction be culture-independant

[sqlserver] Fixed extraction of default value of table columns

[sqlserver] Improved default schema detection in driver factory

[sqlserver] Updated Azure provider to Sql Server v12 provider

[weaver] Project building fails when weaving ends up with an error