htaccess: for consistency, use `mod_php5.c`
Remove broken link to PDF in cross-domain docs

Adobe have changed the location of the PDF. There is no gaurantee that
it will remain at the new location either. Since we already link to an
Adobe article about the cross-domain policy spec (that links to a PDF)
we don't need to link to both.
Updated 'jQuery' to 1.8.3.
Merge pull request #1253 from bmcustodio/jquery-1.8.3

Updated 'jQuery' to 1.8.3.
Add note about `AddOutputFilterByType` in Apache < v2.3.7
Update Normalize.css to 1.0.2

This update corrects `h6` font size normalization.
Update placeholder icons

Apply the latest design of the H5BP logo to each of the touch icons and
the favicon.
v4.0.2
Update HiDPI CSS `@media` rule

Provide greater cross-browser support. Thanks to Wordpress -
http://core.trac.wordpress.org/changeset/22629 - and @marcedwards - see
issue #1127.
Adjust CSS image-replacement

Make sure that any text-highlight, or other factors that may break the
illusion, are far enough outside the element to be unnoticed.

Fix gh-1239
Remove named function expression in plugins.js

Details on various bugs with named function expressions:
http://kangax.github.com/nfe/#jscript-bugs
Minor amend, closing a missing bracket.
HiDPI (32x32px) favicon.ico

32x32-only version. Tested in IE6+, Safari 4+, and the latest Chrome,
Firefox, and Opera.
Merge pull request #1286 from jonathantneal/issue-1285

HiDPI (32x32px) favicon.ico - Issue #1285
Update CHANGELOG
v4.0.3
Mention Normalize.css in humans.txt

Normalize.css was missing from the stock humans.txt's technology
colophon.
Improve copy in `CONTRIBUTING.md`

Reflect some of the recent changes in necolas/issue-guidelines that tidy
up the language and simplify parts of the guidelines.
Update to jQuery 1.9.0
Update to Normalize.css v1.1.0.