removed unnecessary stepping stone page.
reworked shib logout routine to redirect to external logout url after destroying the application user-session. this step of the process was previously handled in the stepping stone logout template.
fixed redirect on shib logout.
Merge pull request #409 from stopfstedt/remove-gunk-from-logout-page

streamlined shibboleth logout process
rm unused $alternativeAutoCompleteRequestGenerator
Since $alternativeSubmitHandlerCode is always defined in all the places that generatePickerMarkupAndScript() is called, we can remove the blob of code that is the default for when it is null
Merge pull request #410 from Trott/rm-unused

rm unused $alternativeAutoCompleteRequestGenerator
explode awful PHP function that generates markup and a script tag...still awful, but a step in the right direction
Merge pull request #411 from Trott/rm-more-unused

rm dead code
new Array() -> []
missing semicolon
more different missing semicolon
parseInt radix
more different parseInt radix
mixed tab + spaces to just spaces
de-moron-ify code
radix for parseInt again
can i get a radix?
tabs + spaces to just spaces again
only one var statement for a variable