Working on Oracle BulkCopy.
WithUpdateLock test.
Formatting.
Oracle BulkCopy.
Oracle BulkCopy.
Implemented InsertBatchWithIdentity
Merge branch 'master' of https://github.com/linq2db/linq2db

Conflicts:
	Source/DataProvider/IDataProvider.cs
	Source/DataProvider/Oracle/OracleDataProvider.cs
	Source/Reflection/Emit/EntityMapper.cs
	Source/Reflection/Emit/FunctionFactory.cs
- Implemented InsertBatchWithIdentity
- Code refactoring