Update to AdoptOpenJDK 16

• Update to osixia/light-baseimage 1.3.3
• Change for AdoptOpenJDK jdk-16.0.1+9 (removal of the temp solution for java)
• Default maximum allocated Java memory changed to 2 GB

Update to jre-8u211

• Temporary solution for required login to download java
• Use of version_manifest.json to retreive download jar url

Update to jre-8u201

v0.3

Update to jre-8u201

Quick fix to load 13.1 VANILLA version and add POCKETMINE Support

v0.2

README update

Initial Release

v0.1

Fix server.properties access right