Fix package metadata

src/Microsoft.AspNetCore.Razor.Runtime/project.json

@@ -1,5 +1,12 @@
 {
-  "description": "Runtime components for rendering Razor pages.",
+  "description": "Runtime components for rendering Razor pages and implementing tag helpers.\r\nCommonly used types:\r\nMicrosoft.AspNetCore.Razor.TagHelpers.HtmlAttributeNameAttribute\r\nMicrosoft.AspNetCore.Razor.TagHelpers.HtmlTargetElementAttribute\r\nMicrosoft.AspNetCore.Razor.TagHelpers.ITagHelper",
+  "tags": [
+    "aspnetcore",
+    "cshtml",
+    "razor",
+    "taghelper",
+    "taghelpers"
+  ],
   "version": "1.0.0-*",
   "compilationOptions": {
     "allowUnsafe": true,

src/Microsoft.AspNetCore.Razor/CSharpRazorCodeLanguage.cs

@@ -4,9 +4,6 @@
 using Microsoft.AspNetCore.Razor.Chunks.Generators;
 using Microsoft.AspNetCore.Razor.CodeGenerators;
 using Microsoft.AspNetCore.Razor.Parser;
-#if NET451
-
-#endif
 
 namespace Microsoft.AspNetCore.Razor
 {

src/Microsoft.AspNetCore.Razor/project.json

@@ -1,5 +1,10 @@
 {
   "description": "Razor is a markup syntax for adding server-side logic to web pages. This package contains the Razor parser and code generation infrastructure.",
+  "tags": [
+    "aspnetcore",
+    "cshtml",
+    "razor"
+  ],
   "version": "1.0.0-*",
   "compilationOptions": {
     "warningsAsErrors": true,