man page: Fix hyphen vs minus sign

See http://lintian.debian.org/tags/hyphen-used-as-minus-sign.html for
details about the fixed issue.
man page: Add trailing slashes to hostname-only URLs
Debian package: Add support for xulrunner 27
Debian package: xulrunner packages switched from -xy.0 to -xy from xy=27 on
Debian package: Upload to Debian Unstable as 1.0~~pre+git131116-1
Debian package: Reformat debian/control in wrap-and-sort style
Debian package: Bump Standards-Version to 3.9.5
utils.js: whitespace
content-buffer.js: whitespace
buffer.js: whitespace
http-request-hook: new module

The http-request-hook module provides a means for the user to alter the
headers of HTTP requests, for purposes such as changing the user-agent
string based on the url being requested.
ratpoisonwiki webjump removed
several webjumps removed

(clhs, cliki, stumpwmwiki, savannah, sourceforge, freshmeat, slashdot, kuro5hin)

These were removed because they are of special interest only, not general
interest, and in some cases, are obsolete.  Their definitions have been
copied to the wiki at <http://conkeror.org/Webjumps>.
for_each_frame: new util, iterates frames with a callback
user_agent_firefox: util to assist with firefox user agent spoofing
content-policy.js: whitespace
user-agent.js: legalese
user_agent_firefox: update for OpenBSD
user-agent-policy: new module

User-agent-policy is a convenience interface to http-request-hook for
per-site user-agent string mangement.
session_save_hist_index: option to save buffer last-access order in sessions