UI / UX Enhancements before launch

[cure53]

We need the following enhancements to make Flashbang be more usable:

• [x] Communicate that currently only Chrome works well
• [x] Add a "close SWF" button
• [x] Add a "rerun analysis" button
• [x] Add a spinner / progress indicator
• [x] Implement a console.log that logs into a <textarea>

[cure53]

Another thing we should have:

• [x] Feedback when nothing was found. "No FlashVars spotted. If you think this is a bug please file a ticket and attach the file. Thanks"
• [x] Show the current swf details
• [x] Add a hint to what complexDetection means