Password storage update/status

Last update on: 2014-02-28

2014-01-31
* Multiple RFCs merged into https://www.mediawiki.org/wiki/Requests_for_comment/Passwords 
 * Identified and fixed several issues in https://gerrit.wikimedia.org/r/#/c/77645/

2014-02-28
Password Expiration merged (https://gerrit.wikimedia.org/r/#/c/92037). Continued work on Passwords RFC process.