Release v0.9.0

[DavidMinarsch]

Release summary

Version number: v0.9.0

Release details

• Adds multiple bug fixes on MultiAgentManager
• Adds AgentConfigManager for better programmatic configuration management
• Fixes auto-filling of aea_version field in AEA configuration
• Adds tests for confirmation skills AW2/3
• Extends MultiAgentManager to support proper configuration overriding
• Fixes ML skills demo
• Fixes environment variable resolution in configuration files
• Adds support to fingerprint packages by providing a path
• Adds local-registry-sync CLI command to sync local and remote registry
• Adds support to push vendorised packages to local registry
• Adds missing tests for code in documentation
• Adds prompt in scaffold protocol CLI command to hint at protocol generator
• Adds issue-certificates CLI command for Proof of Representation
• Adds cert_requests support in connections for Proof of Representation
• Adds support for Proof of Representation in ACN (p2p_libp2p* connections)
• Adds automated spell checking for all .md files and makes related fixes
• Multiple additional tests to improve stability
• Multiple docs updates based on user feedback
• Multiple additional tests and test stability fixes

Checklist

Put an x in the boxes that apply.

• I have read the CONTRIBUTING doc
• I am making a pull request against the master branch (left side), from develop
• Lint and unit tests pass locally
• I have checked the fingerprint hashes are correct by running (scripts/generate_ipfs_hashes.py)
• I have regenerated the latest API docs
• I built the documentation and updated it with the latest changes
• I have added an item in HISTORY.md for this release
• I bumped the version number in the aea/__version__.py file.
• I bumped the version number in the docs/version.md file
• I bumped the version number in every Docker image of the repo and published it. Also, I built and published them with tag latest
  (check the READMEs of aea-develop
  and aea-deploy)
• I have checked that the documentation about the aea cli tool works
• I have pushed the latest packages to the registry.

Further comments

[codecov-io]

Codecov Report

Merging #2117 (7ed79b3) into master (b422208) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##            master     #2117    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          281       293    +12     
  Lines        22363     23055   +692     
==========================================
+ Hits         22363     23055   +692     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
aea/cli/build.py	100.00% <ø> (ø)
aea/helpers/pipe.py	100.00% <ø> (ø)
aea/skills/base.py	100.00% <ø> (ø)
packages/fetchai/connections/gym/connection.py	100.00% <ø> (ø)
...ages/fetchai/connections/http_client/connection.py	100.00% <ø> (ø)
...ages/fetchai/connections/http_server/connection.py	100.00% <ø> (ø)
packages/fetchai/connections/ledger/base.py	100.00% <ø> (ø)
packages/fetchai/connections/local/connection.py	100.00% <ø> (ø)
packages/fetchai/connections/oef/connection.py	100.00% <ø> (ø)
...tchai/connections/p2p_libp2p/check_dependencies.py	100.00% <ø> (ø)
... and 87 more

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[marfvr]

LGTM