Two tweaks to make this compatible with 1.29#4

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caseywatts wants to merge 3 commits intoCWRUChielLab:masterfrom

caseywatts:master

Commits on Jun 13, 2017

wfSetupSession is deprecated, so using \$session->persist() instead.
caseywatts
committed
remove action=purge from post-login screen, because now it makes the user click a button to confirm a purge, and users won't like that
caseywatts
committed
add in path to use jasig/phpcas via composer
caseywatts
committed