* [java] - adding a cuda enabled test.
* Adding --build_java to the windows gpu ci pipeline.
* Removing a stray line from the unit tests that always enabled CUDA for Java.
Detect os and arch and move the artifacts to a new folder.
Remove unnecesary jars so we cam focus on those we publish.
Add signing
Make signature simlper.
Fix indent.
Halt on 32-bit arch.
Credits: @Craigacp
* java - adding support for custom op libraries.
* Adding support for RunOptions and additional methods for SessionOptions and OrtSession.
As a result OrtEnvironment.LoggingLevel moved to be a top level enum
called OrtLoggingLevel.
* java - adding unit tests for RunOptions and SessionOptions.
* java - removing unused releaseNamesHandle method
* java - add test for custom op library.
* java - adding log verbosity methods, and tests for the same.
* java - fixes for custom op loading test on Windows.
* Cleanup after rebase on master.
