Switch comments of callbacks.PluginRegexp's attributes to docstrings (for Sphinx).
Fix internationalization of docstrings of wrap()ed commands.
Remove unnecessary call to i18n.reloadLocalesIfRequired.
All plugins: Update .pot files and rename Supybot-fr to Limnora in French translation files.
Time: Update l10n-fr.
Improve the check_trans script by using Supybot's .po(t) parser.

The previous method matched line by line, which broke for msgmerge alternative (poedit\!\!\!) that changes line breaks.
i18n: Move the pot files parsing to a separate function.
AutoMode & Factoids & Google & Math & Network & Seen & Status & Topic: Update l10n-fr.
Remove debug output in check_trans.py.
ChannelStats & MessageParser & PluginDownloader & RSS & User: Update l10n-fr.
Fix memory leak in i18n by using weak references to plugin classes and methods.
Fix case of i18n.InternationalizedString.
Fix case of i18n.InternationalizedFunction.
Remove a message.pot that should not have been there.
Admin & Alias & Later & String: Update l10n-fr.
ChannelStats: Fix typo.
ChannelStats & Conditional & Format & Karma & Web: Update l10n-fr.
Aka: Add SQLite3 backend.
Aka: Use automatic incrementation when adding an alias.
Remove useless class.