Merge pull request #407 from takeit/v4.3

add topic to article by pressing enter
Merge pull request #418 from ahilles107/CS-4775

CS-4775: add NO_CACHE cookie for loged in users
fix require links
Merge pull request #421 from ahilles107/missing_camp_html.php

fix require links
password recovery
Merge branch 'master' of github.com:sourcefabric/Newscoop into v4.3
added swiftmailer to send email
indentation fix
don't change chmods on systemprefs_cache_file
Merge pull request #423 from ahilles107/SystemPref_errors

don't change chmods on systemprefs_cache_file
add support for custom session lifetime values
convert tabs to spaces
Merge pull request #424 from ahilles107/session_lifetime_fix

add support for custom session lifetime values
Update index.js

There is no jQuery method 'childer'. Changed to the obvious 'children' method instead.
Merge pull request #425 from Flowdeeps/master

Update index.js
fixes
Merge pull request #422 from takeit/v4.3

Password recovery
url decode fix
Merge branch 'master' of github.com:sourcefabric/Newscoop into v4.3
instal/remove/update with click