[Java] Main README.
[Java] Main README.

EvilMcJerkface/Aeron,mikeb01/Aeron,real-logic/Aeron,mikeb01/Aeron,galderz/Aeron,galderz/Aeron,EvilMcJerkface/Aeron,mikeb01/Aeron,galderz/Aeron,galderz/Aeron,real-logic/Aeron,EvilMcJerkface/Aeron,real-logic/Aeron,EvilMcJerkface/Aeron,real-logic/Aeron,mikeb01/Aeron