chore(dep): update a few deps

IPNS over PubSub as an Independent Transport

docs: add information on how to enable experiments

Change Reporter to BandwidthCounter in IpfsNode

update go-datastore

This was failing in CI.

chore: update readme badges to test ci

testing out circleci build triggers with a PR that tidies up the README badges

- remove somewhat redundant `project: ipfs` badge so they fit on 1 line. The link to the website is the url field for the repo.
- Use shields.io "flat square" style for godoc badge to match the others
- Use shields.io for the circleci badge too.
- re-order to be more visually pleasing.

License: MIT
Signed-off-by: Oli Evans <oli@tableflip.io>

Let's get this in so the datastore changes don't block other PRs.

chore(dep): update libp2p

Otherwise, we have port conflicts and other issues.

go fmt: go-ipfs-as-a-library

feat: web ui 2.7.2

extract the pinner to go-ipfs-pinner and dagutils into go-merkledag

fix #2203: omit the charset attribute when Content-Type is text/html

Pin ls traverses all indirect pins

fix (pinning): pin ls traverses all indirect pins. pin ls pin type precedence change - a direct/recursive pin is now labeled as such even if also indirectly pinned.

fix: ignore nonexistant when force rm

License: MIT
Signed-off-by: Oli Evans <oli@tableflip.io>