Release v0.7.4

[DavidMinarsch]

Release summary

Version number: v0.7.4

Release details

• Replaces error skill handler usage with built in handler
• Extends MultiAgentManager to support persistence between runs
• Replaces usage of Ropsten testnet with Ganache
• Adds support for symlink creation during scaffold and add
• Makes contract interface loading extensible
• Adds support for PEP561
• Adds integration tests for launcher command
• Adds support for storage of unique page address in SOEF
• Fixes publish command bug on Windows
• Refactors constants usage throughout
• Adds support for profiling on aea run
• Multiple stability improvements to core async modules
• 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

[marfvr]

LGTM

[codecov-io]

Codecov Report

Merging #1963 (2a77b40) into master (0ec1b5f) will increase coverage by 0.06%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1963      +/-   ##
==========================================
+ Coverage   99.93%   99.99%   +0.06%     
==========================================
  Files         258      262       +4     
  Lines       19831    20289     +458     
==========================================
+ Hits        19818    20288     +470     
+ Misses         13        1      -12     

Flag	Coverage Δ
unittests	99.99% <100.00%> (+0.06%)	⬆️

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

Impacted Files	Coverage Δ
aea/helpers/pipe.py	100.00% <ø> (ø)
aea/identity/base.py	100.00% <ø> (ø)
aea/launcher.py	100.00% <ø> (ø)
aea/__version__.py	100.00% <100.00%> (ø)
aea/aea.py	100.00% <100.00%> (ø)
aea/aea_builder.py	100.00% <100.00%> (ø)
aea/cli/add.py	100.00% <100.00%> (ø)
aea/cli/add_key.py	100.00% <100.00%> (ø)
aea/cli/config.py	100.00% <100.00%> (ø)
aea/cli/create.py	100.00% <100.00%> (ø)
... and 65 more

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