Docserver: Fix 'encoding' typo; should have been 'charset'.

TBR=yoz@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/67313008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234363 0039d316-1c4b-4281-b951-d872f2087c98
[NaCl SDK] Fix lua demo to require 80 columns.

Also, update the version of hterm to match the lua
build we are using.

Also, roll the version of naclports that we build
lua from to being in the version that doesn't require
html5fs mount to succeed.

R=binji@chromium.org

Review URL: https://codereview.chromium.org/68163009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@234364 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 234364