Release 2.3.1 (#134)

Release 2.3.0 (#124)

Fix version number displayed on startup (#118)

update version number

ZDM-374 CONTRIBUTING.md (#37)

Adds a CONTRIBUTING.md with some development guidelines.

Co-authored-by: John Smart <johnsmartnh@gmail.com>

Release notes, changelog and small clarification to release process (…

…#354)

ZDM-319 Added build directive to compile the proxy code with built-in…

… profiling support (#335)

* Added optional build tag to build the proxy with support for CPU and memory profiling. Added section to README.

* Added error handling for CPU and memory profiling

* Added return statement

* Reworded error messages to be clearer, added some comments, small code improvements

ZDM-278 backport (#298)

* add async reads on secondary feature

Co-authored-by: Alice Lottini <alice.lottini@datastax.com>