Update to DokanY 1.2.1 and Boost 1.67 on Windows

ChangeLog.txt

@@ -11,6 +11,7 @@ Compatibility:
 
 Other:
 * Updated to crypto++ 8.1
+* Updated to DokanY 1.2.1
 * Unit tests can now be run from any directory
 
 

README.md

@@ -97,7 +97,7 @@ Building on Windows (experimental)
 
 Build with Visual Studio 2017 and pass in the following flags to CMake:
 
-    -DDOKAN_PATH=[dokan library location, e.g. "C:\Program Files\Dokan\DokanLibrary-1.1.0"]
+    -DDOKAN_PATH=[dokan library location, e.g. "C:\Program Files\Dokan\DokanLibrary-1.2.1"]
     -DBOOST_ROOT=[path to root of boost installation]
 
 If you set these variables correctly in the `CMakeSettings.json` file, you should be able to open the cryfs source folder with Visual Studio 2017.

appveyor.yml

@@ -25,14 +25,14 @@ init:
 - cmd: call "C:\Program Files (x86)\Microsoft Visual Studio\%VisualStudioVersion%\Community\VC\Auxiliary\Build\vcvars%arch%.bat"
 
 install:
-  - choco install -y dokany --version 1.1.0.2000 --installargs INSTALLDEVFILES=1
+  - choco install -y dokany --version 1.2.1.2000 --installargs INSTALLDEVFILES=1
   - cmake --version
 
 build_script:
   - cmd: mkdir build
   - cmd: cd build
   # note: The cmake+ninja workflow requires us to set build type in both cmake commands ('cmake' and 'cmake --build'), otherwise the cryfs.exe will depend on debug versions of the visual studio c++ runtime (i.e. msvcp140d.dll)
-  - cmd: cmake .. -G "Ninja" -DCMAKE_BUILD_TYPE=%CONFIGURATION% -DBUILD_TESTING=on -DBOOST_ROOT="C:/Libraries/boost_1_65_1" -DDOKAN_PATH="C:/Program Files/Dokan/DokanLibrary-1.1.0"
+  - cmd: cmake .. -G "Ninja" -DCMAKE_BUILD_TYPE=%CONFIGURATION% -DBUILD_TESTING=on -DBOOST_ROOT="C:/Libraries/boost_1_67_0" -DDOKAN_PATH="C:/Program Files/Dokan/DokanLibrary-1.2.1"
   - cmd: cmake --build . --config %CONFIGURATION%
   - cmd: .\test\gitversion\gitversion-test.exe
   # cpp-utils-test disables ThreadDebuggingTest_ThreadName.*_thenIsCorrect because the appveyor image is too old to support the API needed for that