ISSUE #321: Update "who are we?"
ISSUE #321: Update "who are we?"

Descriptions of the changes in this PR:

- add JV to the PMC list
- add siddharth and charan to the committers list
- sort the people by apache ids

Author: Sijie Guo <sijie@apache.org>

Reviewers: Enrico Olivelli <eolivelli@gmail.com>, Jia Zhai <None>

This closes #334 from sijie/sijie/update_who_are_we, closes #321

sijie/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,sijie/bookkeeper,ivankelly/bookkeeper,sijie/bookkeeper,apache/bookkeeper,ivankelly/bookkeeper,sijie/bookkeeper,apache/bookkeeper,sijie/bookkeeper,apache/bookkeeper,apache/bookkeeper,apache/bookkeeper,ivankelly/bookkeeper,apache/bookkeeper,sijie/bookkeeper