core: create .conf file with default options only if the file does not exist (and not on read error with existing file)
core: display lines waiting for buffer on exit (in case of early exit)
core: remove unneeded warning when read of weechat.conf fails (another warning is already displayed)
core: do not exit if read of sec.conf/weechat.conf fails
core: remove unneeded warning when read of sec.conf fails (another warning is already displayed)
core: improve error message when a .conf file can not be read, add a second warning about default values used
alias: remove unneeded warning, do not load plugin when options can not be initialized
aspell: load plugin even if options can not be read in aspell.conf (with warnings)
charset: remove unneeded warning, do not load plugin when options can not be initialized
irc: load plugin even if options can not be read in irc.conf (with warnings)
logger: load plugin even if options can not be read in logger.conf (with warnings)
relay: load plugin even if options can not be read in relay.conf (with warnings)
rmodifier: remove unneeded warning
script: load plugin even if options can not be read in script.conf (with warnings)
xfer: load plugin even if options can not be read in xfer.conf (with warnings)
core: update translations