Fix parsing of CSS at-rules

Test case:

    @page { size: A4 landscape; margin: 2cm }

The previous *atrule* regexp matched until the `;` but it should stop at the first `{`.
Merge pull request #35 from SimonSapin/patch-1

Fix parsing of CSS at-rules
merge branch 'gh-pages' of https://github.com/LeaVerou/prism into gh-pages
Merge pull request #33 from thomasklemm/gh-pages

Add Readme
Add twilight theme css file
Add some markup specific twilight colours.
Add text selection background colour
Merge branch 'gh-pages' of https://github.com/LeaVerou/prism into gh-pages
Fixed bug with minified files
Um...changes. I don’t even remember *blush*
Um...changes. I don’t even remember *blush*
Made Java & JavaScript inherit from a generic C-style language definition; Added methods for language definition inheritance; Added simple dependency management in downloader
Minor fixes on the website
Fixed #37
Fixed HTML highlighting bugs
Fixed HTML highlighting bugs
Fixed HTML highlighting bugs
Fixed bug with self-closing tags
Fix up the colours to be more true to the original Twilight theme
Fix Java examples which are not working

With the commit 5c7827d0e9afa9e836c57fb25fa8415fb7b8d299, you remove the prism-java component from the prism.js, so the Java examples here http://prismjs.com/examples.html are not working