Fixes also mobile bookmarklet services.

Just defining og:site_name indicates that we support the
OpenGraph protocol, but then we didn't set the required
properties.

opengraph_parser is basically unmainted, issues are ignored
or deliberately closed without fixing. It pollutes the global
namespace and has no verification of correctness.

The opengraph gem has basically the same issues, not really maintained,
unreleased patches on master since over a year, not really smart either.

So I created my own version and while at it, why not strive try to be
complete and robust, although it's still a work in progress.

This also improves general URL detection by parsing them
from the message after stripping markdown.

An additional dependency was added to support
fetching sites that require cookies to work at all.
For the same reason Faraday's default redirect limit was
bumped.

Spring is the recommended application preloader for rails

- Fix typos and punctuation
- Add double '#' for comments where missed
- Add newlines where needed

- Switch dailymotion oEmbed endpoint to https
- Accept Mixcloud https URLs
- Accept dailymotion https URLs

* create a new token on a new session
* delete the current token on session exit

On default none is permitted to chat with you.
You have to set extra privilege for an aspect.

... and a stealth-commit of an already introduced bug prevention system.
;)

I just assume camo is cool enough to get an own section.

just a quick proof of concept