- remove support for < 12.2

- update to version 0.4.2
* rename binary from "weechat-curses" to "weechat" (with symbolic
link "weechat-curses" for compatibility)
* add secured data (encryption of passwords or private data), new
command /secure, new file sec.conf
* search of regular expression in buffer with text emphasis, in
prefixes, messages or both
* add option "scroll_beyond_end" for command /window
* add optional buffer context in bar items (for example to
display bitlbee nicklist in a root bar)
* new options weechat.look.hotlist_{prefix|suffix}
* new option weechat.look.key_bind_safe to prevent any key
binding error from user
* new option weechat.network.proxy_curl to use a proxy when
downloading URLs with curl
* display day change message dynamically
* support of wildcards in IRC commands (de)op/halfop/voice
* new option irc.look.notice_welcome_redirect to redirect channel
welcome notices to the channel buffer
* new option irc.look.nick_color_hash: new hash algorithm to find
nick colors (variant of djb2)
* add info about things defined by a script in the detailed view
of script (/script show)
* support of "enchant" library in aspell plugin
* many bugs fixed.
- rebased weechat-0.4.1-capath.diff and renamed to
weechat-capath.patch
- build aspell plugin with enchant support