Update appveyor

.appveyor.yml

@@ -1,4 +1,4 @@
-version: 1.0.{build}
+version: 2.0.{build}
 image: Visual Studio 2017
 environment:
   matrix:
@@ -21,11 +21,9 @@ install:
     mv win64 lib
 
     cd ..
-    
-    mkdir Build
-    cd Build
 
-    cmake -G "%VS_GENERATOR%" -DBUILD_SHARED_LIBS=%BUILD_SHARED_LIBS% -DBUILD_SAMPLES=%BUILD_SAMPLES% ..
+    cmake -G "%VS_GENERATOR%" -DBUILD_SHARED_LIBS=%BUILD_SHARED_LIBS% -DBUILD_SAMPLES=%BUILD_SAMPLES% .
 build:
+  project: RmlUi.sln
   parallel: true
   verbosity: minimal