Added AppVeyor configuration

Author: glynos

Diff for: .appveyor.yml

@@ -0,0 +1,14 @@
+os:
+  - Visual Studio 2015
+
+build_script:
+  - git submodule init
+  - git submodule update
+  - mkdir build
+  - cd build
+  - cmake ..
+  - cmake --build .
+  - ctest
+
+on_failure:
+  - type Testing\Temporary\LastTest.log

Diff for: .gitignore

@@ -1 +1,3 @@
 _build
+cmake-build-*
+.idea

Diff for: README.rst

@@ -8,6 +8,9 @@
 
 .. image:: https://travis-ci.org/cpp-netlib/uri.png?branch=master
   :target: https://travis-ci.org/cpp-netlib/uri
+
+.. image:: https://ci.appveyor.com/api/projects/status/hc10ha6ugl6ea90u?svg=true
+  :target: https://ci.appveyor.com/project/glynos/url-3aeqd
 
 .. image:: https://img.shields.io/badge/license-boost-blue.svg
   :target: https://github.com/cpp-netlib/uri/blob/master/LICENSE_1_0.txt

Diff for: test/uri_encoding_test.cpp

@@ -141,6 +141,7 @@ TEST(uri_encoding_test, decode_accepts_utf8) {
   ASSERT_NO_THROW(network::uri::decode(std::begin(encoded), std::end(encoded),
                std::back_inserter(instance)));
 
-  const std::string unencoded = u8"법정동";
+  // const std::string unencoded = "법정동";
+  const std::string unencoded = "\xEB\xB2\x95\xEC\xA0\x95\xEB\x8F\x99";
   ASSERT_EQ(unencoded, instance);
 }