Code cleanup.
Fixed unit tests.
Merge branch 'master' into pr/n256_jogibear9988
Revert "In Oracle Reserved word's need to be masked!"

This reverts commit 1d5735fe5f200bf390159e26fcf8e83aef123601.
Test & quick fix for #257.
Merge branch 'master' of https://github.com/igor-tkachev/bltoolkit

Conflicts:
	Source/Data/DataProvider/OdpDataProvider.cs
	Source/Data/Linq/Builder/SelectContext.cs

InsertBatchWithIdentity on transaction - Fixed introduced bug in previous push