Ideas from gistio/issues

[Lucas]

Evaluate these nice ideas, mostly by @whit537

• Implement kudos (idan#46)
• put title in <title> (idan#43)
• Add HTML anchors to headlines (idan#37)
• Show number of views? (idan#30)
• Show author avatar if the gist isn't anonymous

[Marko Schulz]

I am really missing HTML anchors for the headlines. 🙁