Fix fill-long-lines in chat buffer.

 Duble slash (especially in URLs) sometimes wasmistaken as inline comment.
Remove :risky keyword from `jabber-console-truncate-lines': wrong assignment keyword name.
Merge branch 'master' of git://catap.ru/emacs-jabber/emacs-jabber
Merge branch 'master' of git://catap.ru/emacs-jabber/emacs-jabber
Merge branch 'master' of git://catap.ru/emacs-jabber/emacs-jabber
Dont save undo history in chat buffers.
Suppres "Invalid timer" error when jabber-keepalive-timeout-timer is nil by some reason.

TBD: trace why jabber-keepalive-timeout-timer is nil sometimes.
Ignore all errors in shell/dbus calls.

Dont show noise errors when emacs started from console session.
Fix ELPA package creation

First, we don't know if it sha1/hex-util/hexrgb present on target
system, so install it anyway.

Second, add autoload cookie to normal loading of hexrgb.
Merge branch 'master' of git://catap.ru/emacs-jabber/emacs-jabber
Merge remote branch 'sourceforge/master'
Documentation patch from Valery V. Vorotyntsev
Work around broken stanzas from some transports
Merge branch 'master' into old-master
Merge remote-tracking branch 'sourceforge/master'
Capitalize docstrings
Fix missing whitespace
Capitalize jid to JID and capitalize some display strings
Merge pull request #1 from nsemrau/master

Fixed capitalization errors in docstrings and some minibuffer messages
Merge branch 'master' of git://catap.ru/emacs-jabber/emacs-jabber