Removed "scroll" from question edit.
Moves you to the top of the page for some reason,
questions are uneditable.
Fixing XSS

see http://osvdb.org/show/osvdb/94201
and http://osvdb.org/search?search%5Bvuln_title%5D=concrete5&search%5Btext_type%5D=alltext

probalby more stuff to fix, greets
add filterBySelectAttribute method to page_list

re-implementation of #190 (taking into account @remo's concerns about performance raised in #184)
updated explanatory comment to be more accurate as per @remo
change helper function from private to protected

so it can be overridden more easily (thanks @mkly)
handle an array of mulitple values
small refactor to make code cleaner
refactor: call attribute controller function to determine if multiselect (instead of inline helper function with yucky SQL query)
fix timeSince function
add TextHelper::preventWidows()
use APP_CHARSET
Merge branch 'master' into HEAD

Conflicts:
	web/concrete/blocks/form/auto.js
allow permission to preview content, but not the theme
made this less permissive
built composer preview from theme preview
rolled back theme preview to the theme-change-only version
more stuff for composer preview
including composer js for build
named the composer preview the right thing
composer preview shows the page title