* Explicitly point out the JDK 8 requirement is for runtime, but not for compiling.
* Clarify the JAVAx_HOME env variables are for the "backwards compatibility test".
* Add explanation on how the backwards compatibility tests get the OpenSearch distributions for a specific version.
Signed-off-by: Tianli Feng <ftianli@amazon.com>
Add clear instructions on how to run OpenSearch with debugging mode in IntelliJ.
Fixed a few minor typos and grammars.
Signed-off-by: Rabi Panda <adnapibar@gmail.com>
Tianli Feng
Daniel Doubrovkine (dB.)
Rabi Panda