Fix 288
Fixed Oracle connection string.
Test for #288.
Formatting.
Revert "Fix 288"

This reverts commit 2f9d477eef9bddff85893eb02589c97726803eb0.

Conflicts:
	Source/Data/Linq/Builder/ExpressionBuilder.SqlBuilder.cs
Updated Northwind connection strings.
Fixed formatting.
Fixed #288.
Merge branch 'master' into pr/n300_Firebie

Conflicts:
	.gitignore
	UnitTests/Linq/App.config
Fix 'InsertBatch'
Fixed formatting.
Updated server connection string.
Add constraints checks for SQL Server provider during bulk insertion.

See SqlDataProvider.SqlBulkCopyOptions.
Fix SqlServer's InsertBatch with transaction
Fixed #318. Was not handling VB.Net's generated expression when using nullable properties.
Updated nugets.
Formatting.
Merge branch 'pr/n319_VoiceOfWisdom'
Look for more specific version of weird vb linq expression. Fixes issue with false positive on valid c# expression.
Added tests.