Fix meson version to 0.48.2; updated Qt to 5.10.1 (#996)

.appveyor.yml

@@ -9,8 +9,8 @@ configuration:
 # Environment
 environment:
   NINJA_URL: https://github.com/ninja-build/ninja/releases/download/v1.8.2/ninja-win.zip
-  QT32PATH: 'C:\Qt\5.9\msvc2015'
-  QT64PATH: 'C:\Qt\5.9\msvc2015_64'
+  QT32PATH: 'C:\Qt\5.10.1\msvc2015'
+  QT64PATH: 'C:\Qt\5.10.1\msvc2015_64'
   VSVARSALLPATH: 'C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat'
   matrix:
     # Build: qmake vs2015 x86 shared
@@ -34,7 +34,7 @@ install:
   - cmd: set "PATH=%CD%;%PYTHON%;%PATH%"
   - cmd: call "%VSVARSALLPATH%" %ARCH%
   - cmd: if "%ARCH%" == "x64" ( set "PATH=%QT64PATH%\bin;%PATH%" ) else ( set "PATH=%QT32PATH%\bin;%PATH%" )
-  - cmd: python -m pip install meson
+  - cmd: python -m pip install meson==0.48.2
   - cmd: powershell -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; wget %NINJA_URL% -OutFile ninja.zip; Expand-Archive .\ninja.zip -DestinationPath ."
   # Artifacts
   - cmd: set "ARTIFACT_NAME=Cutter_%ARCH%"

src/meson.build

@@ -1,7 +1,7 @@
 project('Cutter', 'cpp', default_options: 'cpp_std=c++11', meson_version: '>=0.47.0')
 
 qt5_mod = import('qt5')
-py3_exe = import('python3').find_python()
+py3_exe = import('python').find_installation('python3')
 
 qt_modules = []
 feature_define_args = []