Offline mode + Query helper Release

This release was compiled with the following java version:

• java version "16.0.2" 2021-07-20

This release includes two new features:

• Query Helper: displays combo boxes to help the user write OQL queries in a friendlier way.
• Offline mode: allows you to open GGGUI without connecting to any grid to use it as a reference for GFSH commands.

First release

First official release