[VS Addin] Add visual studio 2012 support

Basic support for running and debugging of nacl and ppapi
module is working.  The two major problem are the lack
of unit tests and the fact that nacl targets are always
seen as dirty by VS2012 and will always completely rebuild.

BUG=156648
TEST=test.bat (+ manual testing for 2012)
R=binji@chromium.org

Review URL: https://codereview.chromium.org/14122017

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1554 050acbb0-2703-11df-ab0a-9f3f633ae91d
Test VS addin against pepper 27 and 28.

Previously we were testing against 23 and 24 which are now
very old.

R=binji@chromium.org

Review URL: https://codereview.chromium.org/16875003

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1555 050acbb0-2703-11df-ab0a-9f3f633ae91d
Remove naclports from DEPS

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1561 050acbb0-2703-11df-ab0a-9f3f633ae91d
[nacltoons] Roll cocos2dx + two bug fixes

Roll cocos2dx to the latest version.

Also fix two bugs relating conversion from design
space to screen space.

BUG=
R=binji@chromium.org

Review URL: https://codereview.chromium.org/17743003

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1562 050acbb0-2703-11df-ab0a-9f3f633ae91d
Fix buildbot upload to commondatastorage.

The buildbot masters now set BOTO_CONFIG and
AWS_CREDENTIAL_FILE which was breaking the upload
to nacl commondatastorage.

BUG=
R=binji@chromium.org

Review URL: https://codereview.chromium.org/18947002

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1563 050acbb0-2703-11df-ab0a-9f3f633ae91d