Log Message:
libpurple, pidgin, finch: update to 2.13.0

version 2.13.0 (03/08/2018):
	libpurple:
	* Unified string comparison. (PR #186) (Arkadiy Illarionov)
	* Properlly shell escape URI's when opening them. (PR #271 Daniel Kamil Kozar)
	* Fix a one byte buffer overread in function purple_markup_linkify
	* Fix an issue were utf8 was incorrectly truncated which could lead to
	  crashes as we were potentially feeding garbage into glib/gtk.

	libgnt:
	* Fixed build against curses 6.0 with opaque structs set. (#16764 dimstar)
	  (PR #268 Daniel Kamil Kozar)
	* Fixed a crash when resizing the window. (#16680 marcus) (PR #269 Daniel Kamil \ 
Kozar)

	General:
	* Fixed bashism in autotools. (#16836 lameventanas) (PR #267 Daniel Kamil Kozar)

	XMPP:
	* Show XEP-0066 OOB URLs in any message, not just headlines
	* Fix a user after free (#17200 debarshiray) (PR #266 Ethan Blanton)
	* Removed pipelining from BOSH connections (#17025 PR #295 Tom Li)
	* Don't try to TLS already secured BOSH connections (#17270 PR #293 Tom Li)

	IRC:
	* Fix "Registration timeout" on SASL auth with InspIRCd servers
	  (and possibly others not based on charybdis/ratbox/ircd-seven)
	* Fix issues with plugins that modify outgoing messages
	  (such as the custom PART/QUIT feature of the IRC More plugin)
	* Fix IRC buffer handling.  (#12562 PR #272 Shivaram Lingamneni)
	* Properly handle AUTHENTICATE as a normal command with server prefix.
	  (PR #316 dx)
	* Fix a crash caused by a use after free of the MOTD.
	* Fix an out of bounds read in irc_nick_skip_mode.
	* Fix a write of a single byte before the start of a buffer in
	  irc_parse_ctcp.

	Pidgin:
	* Better support for dark themes. (#12572 Alyssa Rosenzweig and Gary Kramlich)
	* Fixed IPv6 links by not escaping []'s. (#16391 cyisfor) (PR #270 Daniel Kamil \ 
Kozar)
	* Only write buddy icons to the cache if they're not already cached.  (PR #276 \ 
David Woodhouse)
	* Rejoin persistent chats after reconnect.  (#15687 PR #285 Christof Meerwald)
	* Made the WIN32 Transparency plugin work on all platforms. (#3124 PR #287 \ 
Daniel Kamil Kozar)
	* Ensure search results buttons are labeled (Backport from de2d88e575ee)
	* Fix matching unicode smilies.  (#17232 gnubfx PR #262 Daniel Kamil Kozar)
	* Correctly update mute/unmute status when the remote side mutes/unmutes us. \ 
(#17273 PR #302 David Woodhouse)
	* Rework the status icon blinking to not used deprecated API.  (#17174 zelch PR \ 
#264 Daniel Kamil Kozar)
	* Don't allow adding a buddy to protocols that don't have an add_buddy \ 
callback.  (#4061 Paradox)

	Finch:
	* Fix handling of search results (#17238 David Woodhouse)

	Voice & Video:
	* Port backend-fs to newer api for farstream relay-info property  (#17274 bellet)