Migrated from Appveyor to Github CI.

 - Added a python script to automatically install a version
 that depends on the number of commits.

.github/workflows/gradle.yml

@@ -0,0 +1,35 @@
+name: Java CI
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: windows-latest
+
+    steps:
+    - name: Clone.
+      uses: actions/checkout@v1
+    - name: Set up JDK 1.8.
+      run: |
+        choco install jdk8 -params 'installdir=c:\\java8'
+    - name: Set up version of Chatty.
+      run: |
+        git checkout master
+        git remote add upstream https://github.com/chatty/chatty
+        git fetch --all
+        git branch master --set-upstream-to upstream/master
+        git status
+        git status > ch.txt
+        python version.py
+    - name: Build with Gradle.
+      run: |
+        gradlew build && gradlew release
+    - name: Build with installers.
+      run: |
+        ./win_standalone.bat
+    - uses: actions/upload-artifact@master
+      name: Upload artifacts.
+      with:
+        name: Chatty
+        path: build\releases\

version.py

@@ -0,0 +1,24 @@
+import re
+
+file = open('ch.txt','r');
+str = file.readlines()[1];
+sub = str[45:48];
+print(sub);
+
+path = "src/chatty/Chatty.java";
+chatty = open(path, 'r');
+line = chatty.read();
+chatty.close();
+
+if not line:
+	exit(1);
+
+chatty = open(path, 'w');
+line = re.sub(
+	r"public static final String VERSION = \"0.10.0.[0-9]+", 
+	"public static final String VERSION = \"0.10.0.%s" % sub, 
+	line
+);
+#print(line)
+chatty.write(line);
+chatty.close();

win_standalone.bat

@@ -1 +1,3 @@
-gradlew windowsZip -PjavapackagerPath="c:\Program Files\Java\jdk1.8.0\bin\javapackager.exe" && gradlew innosetup -PinnosetupPath="c:\Program Files (x86)\Inno Setup 5\ISCC.exe" && gradlew innosetupStandalone -PinnosetupPath="c:\Program Files (x86)\Inno Setup 5\ISCC.exe" -PjavapackagerPath="c:\Program Files\Java\jdk1.8.0\bin\javapackager.exe"
+( gradlew windowsZip -PjavapackagerPath="c:\java8\bin\javapackager.exe"
+gradlew innosetup -PinnosetupPath="c:\Program Files (x86)\Inno Setup 6\ISCC.exe"
+gradlew innosetupStandalone -PinnosetupPath="c:\Program Files (x86)\Inno Setup 6\ISCC.exe" -PjavapackagerPath="c:\java8\bin\javapackager.exe")