Make remaining Migrations commands out-of-process

Resolves #231

EntityFramework.sln

@@ -15,12 +15,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFramework.NuGet", "sr
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFramework", "src\EntityFramework\EntityFramework.csproj", "{E06D1C12-EFE8-4413-A15C-AE01FC158F2F}"
 EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFramework.PowerShell", "src\EntityFramework.PowerShell\EntityFramework.PowerShell.csproj", "{1F3817E9-8070-4429-B134-9674698DD78C}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EntityFramework.PowerShell.Utility", "src\EntityFramework.PowerShell.Utility\EntityFramework.PowerShell.Utility.csproj", "{73636C32-5633-4D12-AA7B-88DCC26ACDB7}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Migrate", "src\Migrate\Migrate.csproj", "{0D77532F-7478-4BBB-9790-95F52A3DADDA}"
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{24A9C4D1-E189-4D3A-A2D7-36D3ED51D277}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "UnitTests", "test\EntityFramework\UnitTests\UnitTests.csproj", "{E8E91C5F-E54C-41B1-AE1B-62E047BF49D5}"
@@ -55,18 +49,6 @@ Global
 		{E06D1C12-EFE8-4413-A15C-AE01FC158F2F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E06D1C12-EFE8-4413-A15C-AE01FC158F2F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E06D1C12-EFE8-4413-A15C-AE01FC158F2F}.Release|Any CPU.Build.0 = Release|Any CPU
-		{1F3817E9-8070-4429-B134-9674698DD78C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{1F3817E9-8070-4429-B134-9674698DD78C}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{1F3817E9-8070-4429-B134-9674698DD78C}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{1F3817E9-8070-4429-B134-9674698DD78C}.Release|Any CPU.Build.0 = Release|Any CPU
-		{73636C32-5633-4D12-AA7B-88DCC26ACDB7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{73636C32-5633-4D12-AA7B-88DCC26ACDB7}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{73636C32-5633-4D12-AA7B-88DCC26ACDB7}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{73636C32-5633-4D12-AA7B-88DCC26ACDB7}.Release|Any CPU.Build.0 = Release|Any CPU
-		{0D77532F-7478-4BBB-9790-95F52A3DADDA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{0D77532F-7478-4BBB-9790-95F52A3DADDA}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{0D77532F-7478-4BBB-9790-95F52A3DADDA}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{0D77532F-7478-4BBB-9790-95F52A3DADDA}.Release|Any CPU.Build.0 = Release|Any CPU
 		{E8E91C5F-E54C-41B1-AE1B-62E047BF49D5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{E8E91C5F-E54C-41B1-AE1B-62E047BF49D5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E8E91C5F-E54C-41B1-AE1B-62E047BF49D5}.Release|Any CPU.ActiveCfg = Release|Any CPU

eng/Versions.props

@@ -8,13 +8,10 @@
     <UsingToolXliff>False</UsingToolXliff>
   </PropertyGroup>
   <PropertyGroup Label="Dependencies from nuget.org">
-    <EnvDTEVersion>8.0.2</EnvDTEVersion>
     <MicrosoftBuildFrameworkVersion>16.0.461</MicrosoftBuildFrameworkVersion>
     <MicrosoftBuildUtilitiesCoreVersion>16.0.461</MicrosoftBuildUtilitiesCoreVersion>
-    <MicrosoftPowerShell2ReferenceAssembliesVersion>1.0.0</MicrosoftPowerShell2ReferenceAssembliesVersion>
     <MicrosoftSqlServerCompactVersion>4.0.8876.1</MicrosoftSqlServerCompactVersion>
     <MicrosoftSqlServerTypesVersion>14.0.1016.290</MicrosoftSqlServerTypesVersion>
-    <MicrosoftVisualStudioShellInterop80Version>8.0.50728</MicrosoftVisualStudioShellInterop80Version>
     <MoqVersion>4.7.145</MoqVersion>
     <MySqlDataEntityVersion>6.7.2-beta-ef6</MySqlDataEntityVersion>
   </PropertyGroup>