[factoring] new functions to link a js or css file in the page, function to bind css and js to a overlay
[factoring] give layouts ability to load its own css or js file
[factoring] in debug mode, count js and css files calls over time
[clean] better names for class js_css functions, use class page as lib to load js and css files, call page.php within load_skin
[fix] use of a undefined variable
ensure that this new layout is fully included in the set of reference files of yacs
[fix] parameter check to avoid notification msg from PHP (thanks Christian)
[fix] ensure that private content is never listed through news feeds, whatever setting of 'users_without_teasers' global parameter
[fix] avoid notification messages from test script when geoip is not installed
[fix] document and review the way yacs determine language for the community, for the surfer, for the current web page
run_once to update all localization files
[jquery] update to v1.8.3, update jquery-ui to v1.10.3
rebuild of production .js libraries
Merge branch 'Lasares'

Conflicts:
	index.php
	shared/global.php
[jquery] update to v1.10.1 with migration plugin to help DEVs to update legacy javascript code