Multiple Distros for Java Runtimes

It will be nice to have OpenWhisk JDK runtimes available on multiple distributions
* centos
* debian
* alpine

The initial work of this can follow the pattern like https://github.com/kameshsampath/adoptopenjdk .

Moving this discussion from #24, #18 to discuss and freeze on this.

@Param-S lets continue the discussion here

@csantanapr - we are moving this discussion into its own thread .

@bbrowning - this is something we started to discuss the other day slack. Please add your thoughts comments here.