correct the obsolete messages on the concrete types
Add the Cascade syntax to the new ForeignKey creation syntax.
Added the WithIdentityInsert method that will allow SQL Server to insert rows into tables with an identity column.
Refactored the INSERT IDENTITY statements so that they are properties like the other SQL strings in the generators.
Forgot to add the WithIdentityInsert method to the relevent interface.
Merged upstream
Add Create.UniqueConstraint() and Create.PrimaryKey()
Missing file from previous commit
Correct issue with SqlServer2005 Generator not generating the correct SQL
Rollback(int steps)and RollbackToVersion now correctly supports namespace rules fixes #182
Updated delete expressions to include Delete.PrimaryKey()
Merge branch 'master' into create-unique-constraint

Conflicts:
	src/FluentMigrator.Tests/FluentMigrator.Tests.csproj
	src/FluentMigrator.Tests/Unit/Builders/Delete/DeleteDataExpressionTests.cs
Merge branch 'Issue182' of git://github.com/tommarien/fluentmigrator into Issue182
Merge branch 'Issue182'
Added Unique and primarykey delete builder tests
Checked out IntergrationTestOptions.cs from master to revert changes on branch
Move using back outside the namespace
Corrected typo
Moved the IDENTITY INSERT feature into Sql Server specific extension methods.
Moving the AddAdditionalFeatures method into an explicit interface so that it can be hidden from ordinary API users.