[CALCITE-2210] Remove oraclejdk7, add oraclejdk9, add oraclejdk10, and add ibmjava to .travis.yml
[CALCITE-2210] Remove oraclejdk7, add oraclejdk9, add oraclejdk10, and add ibmjava to .travis.yml

The only supported Travis CI Oracle verions are oraclejdk8 and oraclejdk9. For more details see:
https://docs.travis-ci.com/user/reference/trusty/#JVM-(Clojure%2C-Groovy%2C-Java%2C-Scala)-images

IBM JDK is not installed by default unless you install it. IBM JDK is supported through Docker maven:ibmjava image.

Closes #29

Signed-off-by: Josh Elser <08e628f9d7ca1b20fe79ef383bd8c50d12051375@apache.org>

looker-open-source/calcite-avatica,apache/calcite-avatica,apache/calcite-avatica,apache/calcite-avatica,looker-open-source/calcite-avatica,looker-open-source/calcite-avatica,apache/calcite-avatica,looker-open-source/calcite-avatica,apache/calcite-avatica,looker-open-source/calcite-avatica