French translation update
Took advices and changes from pull request 77 into account
https://github.com/gothfox/Tiny-Tiny-RSS/pull/77
initial commit
convert hotkey_action switch to a dict

this will permit plugins to register hockey actions.
move global hotkey_actions var to the top
Merge pull request #93 from phmongeau/plugin_hotkeys

Make it possible for plugins to add hotkey actions
installer: fix missing semicolons
experimentally rebase labels; make base index configurable
add label_base_index to init params
tweak how utility.css-based stuff looks
fetch_file_contents: fix fetching protected feeds when password has special characters
disable show additional preferences checkbox as repeatedly confusing
change description of HIDE_READ_FEEDS
for consistency, show hotkey-toggleable options relating to headlines list in preferences
update schema translations
Merge branch 'master' of git://github.com/RaphaelRochet/Tiny-Tiny-RSS into RaphaelRochet-master

Conflicts:
	locale/fr_FR/LC_MESSAGES/messages.mo
	locale/fr_FR/LC_MESSAGES/messages.po
rebase translations
modify sorting by date_entered: set date_entered per-batch; use updated as a secondary criteria
pref_users: do not escape password to prevent special character
mishandling; remove inconsistent trimming of passwords
truncate feed title length in vfeeds