Update README.md

Added missing square bracket so markdown works as expected.
Merge branch 'release/0.10'

Conflicts:
	README.md
Merge pull request #35 from readium/develop

Develop
Merge remote-tracking branch 'origin/develop' into release/0.13
Merge branch 'develop' into release/0.13
Merge branch 'develop' into release/0.13
Merge branch 'develop' into release/0.13
Fix Bug 50 - same document hush links didn't work properly
merge
Merge commit '52ce5c34e58b73' into release/0.13
Fixes keyboard nav regression
updated Grunt buil script to recursively obtain git-describe information from each submodule dependency
submodule
updated build
fixed bug: reader hangs if invalid page request provided
updated version of jquery to 1.11.0
added missing reference to console_shim
Merge branch 'develop' of github.com:readium/readium-js-viewer into develop
submodule ref
added missing libs
submodule