add more functionality#9

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lisps wants to merge 8 commits intosplitbrain:masterfrom

Commits on Jun 17, 2014

add old passwords to policy check
lisps
committed

Commits on Jun 18, 2014

store passhistory in one file per user
lisps
committed

Commits on Jul 7, 2014

add tests
lisps
committed

Commits on Jul 9, 2014

allow action admin when password is expired
lisps
committed