[Java] Link to .NET repo and update CMAKE requirements.
[Java] Link to .NET repo and update CMAKE requirements.

real-logic/Aeron,real-logic/Aeron,real-logic/Aeron,oleksiyp/Aeron,EvilMcJerkface/Aeron,oleksiyp/Aeron,mikeb01/Aeron,gkamal/Aeron,gkamal/Aeron,tbrooks8/Aeron,mikeb01/Aeron,real-logic/Aeron,tbrooks8/Aeron,EvilMcJerkface/Aeron,EvilMcJerkface/Aeron,tbrooks8/Aeron,oleksiyp/Aeron,gkamal/Aeron,galderz/Aeron,galderz/Aeron,galderz/Aeron,mikeb01/Aeron,mikeb01/Aeron,galderz/Aeron,EvilMcJerkface/Aeron