Add *.Activities dlls in Full build

- Add activities as a dependency to ConsoleHost
- This creates a minor ambiguity in the type resolution in ConsoleHost.
  We are specifying a namespace name to workaround it.

src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostUserInterface.cs

@@ -238,7 +238,7 @@ namespace Microsoft.PowerShell
                 result = ReadLineSafe(true, printToken);
             }
             SecureString secureResult = result as SecureString;
-            Diagnostics.Assert(secureResult != null, "ReadLineSafe did not return a SecureString");
+            System.Management.Automation.Diagnostics.Assert(secureResult != null, "ReadLineSafe did not return a SecureString");
 
             return secureResult;
         }

src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostUserInterfacePrompt.cs

@@ -400,7 +400,7 @@ namespace Microsoft.PowerShell
                 {
                     object userInput = ReadLineSafe(false, null);
                     string userInputString = userInput as string;
-                    Diagnostics.Assert(userInputString != null, "ReadLineSafe did not return a string");
+                    System.Management.Automation.Diagnostics.Assert(userInputString != null, "ReadLineSafe did not return a string");
                     rawInputString = userInputString;
                 }
                 if (rawInputString == null)

src/Microsoft.PowerShell.ConsoleHost/host/msh/ConsoleHostUserInterfacePromptForChoice.cs

@@ -315,7 +315,7 @@ namespace Microsoft.PowerShell
             Dictionary<int, bool> defaultChoiceKeys, 
             bool shouldEmulateForMultipleChoiceSelection)
         {
-            Diagnostics.Assert(defaultChoiceKeys != null, "defaultChoiceKeys cannot be null.");
+            System.Management.Automation.Diagnostics.Assert(defaultChoiceKeys != null, "defaultChoiceKeys cannot be null.");
 
             ConsoleColor fg = RawUI.ForegroundColor;
             ConsoleColor bg = RawUI.BackgroundColor;

src/Microsoft.PowerShell.ConsoleHost/project.json

@@ -53,7 +53,14 @@
             "dependencies": {
                 "Microsoft.PowerShell.ScheduledJob": "1.0.0-*",
                 "Microsoft.PowerShell.Workflow.ServiceCore": "1.0.0-*",
-                "Microsoft.PowerShell.GraphicalHost": "1.0.0-*"
+                "Microsoft.PowerShell.GraphicalHost": "1.0.0-*",
+                "Microsoft.PowerShell.Activities": "1.0.0-*",
+                "Microsoft.PowerShell.Core.Activities": "1.0.0-*",
+                "Microsoft.PowerShell.Diagnostics.Activities": "1.0.0-*",
+                "Microsoft.PowerShell.Management.Activities": "1.0.0-*",
+                "Microsoft.PowerShell.Security.Activities": "1.0.0-*",
+                "Microsoft.PowerShell.Utility.Activities": "1.0.0-*",
+                "Microsoft.WSMan.Management.Activities": "1.0.0-*"
             }
         }
     }