Merge pull request #208 from deuxpi/master

Remove executable bits on non-excutable files
fixes #212 and improve replacement for CSS files (no inclusion of other CSS files & JS files in CSS - no use of @include in CSS too).
fixes #209
Reverted to old File Share API (more optimized for server performances), recompiled all locales
fixes #211 + improvements in shared files storage efficiency
Easy popup close by clicking away
fixes #196
fixes #213
More randomness in CAPTCHA
fixes #52
Translations updated
Last switch to 0.9.3
Change chmod on store
Have both Backlinks.com Ads and Piwik tracking options available into Advanced options.
lowercase all locale folder names (to match the def. into getLanguageName()), else the locale selector will break. (fixes #218)
Detect IE 10 and switch DOM format to IE9 Std. Prevents choppy xml from being sent. (fixes #200)
Fix previous commit indenting.
Update authoring information (Ok I don't think thing I forgot anything else...)
Secure HTML escaping
Added project mirrors