Added rm -rf /var/lib/apt/lists/*
Added Dockerfile for OpenJDK 6/7 JRE+JDK & Oracle Java 6/7/8 (fixes #6)
Updated README to explain tagged images. (closes #3)
Improved README.md
Created symlinks to README.md
Created symlink /Dockerfile.
Moved Docker Tags section above Installation section.
Updated README.md
Updated README.md
Removed "/data" from mount points.
resolve dockerfile/java#11
Merge pull request #12 from alkersan/master

Added JAVA_HOME env var. (fixes #11 #12)
Cleaning install cache as proposed in dockerfile/java#13
Merge pull request #14 from alkersan/master

Cleaning oracle-jdk cache as proposed in dockerfile/java#13