updated AuthType & Require per https://wiki.shibboleth.net/confluence/display/SHIB2/NativeSPApacheConfig#NativeSPApacheConfig-EnablingtheModuleforAuthentication
updated ShibRequireSession on to ShibRequestSetting requireSession 1
Merge pull request #6 from dericcrago/AuthType

htaccess text: update AuthType & Require per Shibboleth wiki