2.3.0.16

• SqlServer columns not read with mapping
• Add support for materialized views in Oracle and PostgreSql
• Read indexes on views (SqlServer IndexedViews)
• CodeGen projects default to VS2015
• CodeGen Oracle use ints where possible
• Fix DB2 iSeries schema reading (thanks @arbh89 )
• Fix Trigger schema not read on SQL server 2008
• Fix Function "return argument" not moved to return type
• Fix don't change SYSDATETIME() default