Merge pull request #278 from l/translation_ja

core: update Japanese translations
doc: remove SASL mechanism "dh-blowfish" from docs
core: update German translations
Merge branch 'master' of https://github.com/weechat/weechat
core: fully evaluate commands bound to keys in cursor and mouse contexts
core: replace irc.freenode.net by chat.freenode.net

Freenode wants people to use chat.freenode.net instead of
irc.freenode.net which is alias to chat.freenode.net.
irc: add option "reorder" in command /server (closes #229)
Version 1.1-rc1
core: update German translations
doc: update auto-generated files
irc: remove useless refresh of bar item

And the name of item was wrong ("nicklist" instead of "buffer_nicklist").
doc: update polish translations
po: polish translation update
core: update Japanese translations