Merge branch 'master' into master

.github/workflows/ccpp.yml

@@ -0,0 +1,22 @@
+name: C/C++ CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build-ubuntu:
+
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v1
+    - name: configure
+      run: cmake CMakeLists.txt
+    - name: build
+      run: cmake --build .
+    - name: test
+      run: cd bin && ./unit
+      

Readme.md

@@ -2,6 +2,7 @@ Open Asset Import Library (assimp)
 ==================================
 A library to import and export various 3d-model-formats including scene-post-processing to generate missing render data.
 ### Current project status ###
+![C/C++ CI](https://github.com/assimp/assimp/workflows/C/C++%20CI/badge.svg)
 [![Linux Build Status](https://travis-ci.org/assimp/assimp.svg)](https://travis-ci.org/assimp/assimp)
 [![Windows Build Status](https://ci.appveyor.com/api/projects/status/tmo433wax6u6cjp4?svg=true)](https://ci.appveyor.com/project/kimkulling/assimp)
 <a href="https://scan.coverity.com/projects/5607">