Bugfix : if media file don't exist, cache even make a symlink
Bugfix : always check dir exist (and create it if don't)  when save a media
Ability to refresh all metadata in one time
Bugfix generate_base_url()
Add alt on images flags
Merge branch 'master/0.2' into master/0.2.0.2
Merge branch 'master/0.2.0.2' of git://github.com/novius-os/core into master/0.2.0.2
Update version 0.2.0.2 in config
Bugfix : front controller, getUrl() return a bad URL on secondary context
Bugfix, PHP 5.4, Model::set(),  can be an array, cast generate a notice
Merge master0.2
Merge master0.2