French translation update : new or modified strigs.
Merge pull request #99 from RaphaelRochet/master

French translation update
initialize_user_prefs: escape data on import
remove unused view modes handling
sharepopup: use stylesheet/javascript_tag
forgotpass: remove secretkey stuff because of new session handling; use stylesheet/javascript_tag
remove cache/magpie
cache downloaded feed data to minimize network access
remove feed update interval debugging
cache simplepie object instead of xml feed data
experimentally rework update daemon to process all feeds with the same url sequentially to minimize network access and better utilize caches
update: exclude feeds with disabled updates
reduce next spawn idle messages
remove active className on collapse (closes #644)
googlereaderimport: limit guid length
daemon: do not show feed urls twice
purge orphans after deleting articles
googlereaderimport: migrate article tags
order feeds selected for update randomly
Revert "order feeds selected for update randomly"

This reverts commit 13b33a3fc3e1b17686894935e3879685cb0578cd.