Merge branch 'release' into dev

src/Microsoft.AspNetCore.Routing.Abstractions/project.json

@@ -31,10 +31,7 @@
         "System.Collections.Concurrent": "4.0.12-*",
         "System.Threading.Tasks": "4.0.11-*",
         "System.Reflection.Extensions": "4.0.1-*"
-      },
-      "imports": [
-        "dotnet5.4"
-      ]
+      }
     }
   }
 }

src/Microsoft.AspNetCore.Routing.DecisionTree.Sources/project.json

@@ -13,10 +13,7 @@
   "frameworks": {
     "net451": {},
     "netstandard1.3": {
-      "dependencies": {},
-      "imports": [
-        "dotnet5.4"
-      ]
+      "dependencies": {}
     }
   }
 }

src/Microsoft.AspNetCore.Routing/project.json

@@ -42,10 +42,7 @@
       "dependencies": {
         "System.Collections": "4.0.11-*",
         "System.Text.RegularExpressions": "4.0.12-*"
-      },
-      "imports": [
-        "dotnet5.4"
-      ]
+      }
     }
   }
 }