extract authenticate-response from authenticate*
extract handler from all authenticate* responses

Conflicts:
	src/cemerick/friend.clj
clean up response, only pass necessary args to retry-request

also removed scratch code and renamed fns
bring back authenticate* to preserve debugging hook
openid works in servlet context
Merge branch 'master' of https://github.com/lynaghk/friend
0.1.5
0.1.6-SNAPSHOT
Merge branch 'master' into split-up-authenticate
fix doc typo
0.2.0-SNAPSHOT
fix typos
Merge pull request #64 from cldwalker/fix-typos

fix typos
Update README.md

Fix small typo in README.
Merge pull request #66 from hardbap/readmy-typ

fix Gandalf quote
Fixes #69
Merge pull request #71 from abp/username-change-fix

Fix interactive-form workflow to prefer `:username` from the submitted
form over the query string (which likely was only set by a prior failed login)
Fixes #68
Preserve query-string on ::unauthorized-uri and store an absolute url.
Also test for absolute url and query-string present in redirect-location
after login.
Merge branch 'master' of github.com:cemerick/friend
Merge pull request #70 from abp/unauthenticated-handler-fix

Retain full unauthorized URL (including parameters, etc) on redirect