On Firefox, with hidden iframes, matchMedia returns null, thus trying to
access .matches crashes things. Added extra check to make sure we stay
up and running.
Also, added .project to gitignore
Added a note about false-positive on N900 to `touchevents` detect and moved comments to a meta block
Merge pull request #888 from stucox/master

Updated `touchevents` test comments
add feature-detect for css general sibling
Merge pull request #886 from mikkotikkanen/testMediaQuery

Modernizr crashes on Firefox with hidden iframe
update meta data of siblinggeneral
Merge pull request #889 from vpegado/css-sibling-general

add feature-detect for css general sibling