Disable some XML documentation warnings

Some projects have more warnings than I can fix.

src/Microsoft.PowerShell.Activities/project.json

@@ -3,6 +3,7 @@
     "version": "1.0.0-*",
 
     "buildOptions": {
+        "nowarn": [ "CS1570" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,

src/Microsoft.PowerShell.Commands.Diagnostics/project.json

@@ -2,6 +2,7 @@
     "name": "Microsoft.PowerShell.Commands.Diagnostics",
     "version": "1.0.0-*",
     "buildOptions": {
+        "nowarn": [ "CS1591" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,

src/Microsoft.PowerShell.Commands.Management/project.json

@@ -3,6 +3,7 @@
     "version": "1.0.0-*",
 
     "buildOptions": {
+        "nowarn": [ "CS1570" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,

src/Microsoft.PowerShell.Commands.Utility/project.json

@@ -3,6 +3,7 @@
     "version": "1.0.0-*",
 
     "buildOptions": {
+        "nowarn": [ "CS1570" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,

src/Microsoft.PowerShell.ConsoleHost/project.json

@@ -4,6 +4,7 @@
     "description": "PowerShell Host",
 
     "buildOptions": {
+        "nowarn": [ "CS1570" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,

src/Microsoft.PowerShell.CoreCLR.Eventing/project.json

@@ -3,6 +3,7 @@
     "version": "1.0.0-*",
 
     "buildOptions": {
+        "nowarn": [ "CS1591" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,

src/Microsoft.PowerShell.GraphicalHost/project.json

@@ -3,11 +3,12 @@
     "version": "1.0.0-*",
 
     "buildOptions": {
+        "nowarn": [ "CS1570" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,
         "publicSign": false,
-        "warningsAsErrors": true,
+        "warningsAsErrors": true
     },
 
     "dependencies": {

src/Microsoft.PowerShell.Security/project.json

@@ -3,6 +3,7 @@
     "version": "1.0.0-*",
 
     "buildOptions": {
+        "nowarn": [ "CS1570" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,

src/Microsoft.PowerShell.Workflow.ServiceCore/project.json

@@ -4,6 +4,7 @@
     "authors": [ "OPS" ],
 
     "buildOptions": {
+        "nowarn": [ "CS1570" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,

src/System.Management.Automation/project.json

@@ -3,6 +3,7 @@
     "version": "1.0.0-*",
 
     "buildOptions": {
+        "nowarn": [ "CS1570", "CS1734" ],
         "xmlDoc": true,
         "keyFile": "../signing/visualstudiopublic.snk",
         "delaySign": true,