v2.0.3

• Added validation: Make sure the php-curl extension is installed. For pre-uploading slides, the use of the php-curl extension is required. If it is not installed or enabled the feature won't be available.
• Fixed Bug: Toggle form for tagging sessions was flicking for a second when the activity page was shown.
• Fixed Bug: When creating a new and pre-uploading presentation is turned off an error messages comes up.
• Fixed Bug: When for security reasons either the webserver(s) or the proxy server facing the user requests adds the header x-content-type-options:nosniff to force the MIME Type verification in the browser, the javascript in the client doesn't work in Chrome.