- [improvement] Do not include epoll JAR in binary distribution (JAVA-766)

- [improvement] Optimize internal copies of Request objects (JAVA-726)

- [bug] Preserve tracing across retries (JAVA-815)

Merged from 2.0.10_fixes branch:

- [improvement] Use Netty's pooled ByteBufAllocator by default (JAVA-756)

- [improvement] Expose "unsafe" paging state API (JAVA-759)

- [bug] Fix getObject by name (JAVA-767)

- [bug] Prevent race during pool initialization (JAVA-768)