migrate to new home

 * change group id in pom.xml to org.githib.caciocavallosilano
 * change packages to org.githib.caciocavallosilano.cacio
 * add missing copyright notices
 * remove directfb, wayland and web modules
 * add github action to build
 * add .gitignore
 * convert README to markdown, add content (from Roman's blog) and delete some obsolete information
 * remove old doc and src dirs
 * upgrade FEST to AssertJ Swing

.github/workflows/maven.yml

@@ -0,0 +1,17 @@
+name: Java CI
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Build with Maven
+        run: mvn package --file pom.xml

.gitignore

@@ -0,0 +1,19 @@
+# Maven
+target/
+*.ser
+*.ec
+
+# IntelliJ Idea
+/.idea/
+*.ipr
+*.iws
+*.iml
+
+# Eclipse
+.classpath
+.project
+.settings/
+.metadata/
+
+# OS X
+.DS_Store