Update 01 Physical Goods.md

Link to Ricardian Contracts info
Update 01 Physical Goods.md

Fix links to Peer-to-Peer Lending on OpenBazaar
Fix comments and unit test for market.py and style and docs

Fix comments and unit test for market.py and style
= squash =
[FEATURE] Fix logging-not-lazy and the whole set of comments to market.py and 2 links in docs

[FEATURE] Fix comments and quotes in a log

[FEATURE] Fix comments and unit test and style for market.py

[FEATURE] Fix comments and unit test for market.py

[FEATURE] Fix comments and unit test for market.py and style

[FEATURE] Fix comments, used imperative form for docstrings

= squash =
= squash =
[FEATURE] Fix comments and unittest for market.py and style and docs lincs

[FEATURE] Fix comments and unittest for market.py and style and docs lincs

Update market.py

Fix some comment

[FEATURE] Fix comments, used imperative form for docstrings

Fix comments, used imperative form for docstrings

Fix comments, used ran, etc

Test market, etc

Test market, etc

Update 01 Physical Goods.md

Fix links

Update 01 Physical Goods.md

Add master
test_market.py, test/myprog.py etc
Fix grammar, Obvious comment
Fix details comment
Merge pull request #658 from Ignat99/feature

Fix comments and unittest for market.py and style
Deactivate bad unused import.

* ebaysdk missing from project requirements.
Enable pylint imports check (F0401).
Do not pylint inside html/bower_components.
Subpackage db and test folders.

* Effectively allows relative imports from/to these folders.
Fix broken imports in the db, features and test packages.
Locally disable import errors.

* Unable to import distutils.utils in Travis CI.
Disallow wildcard imports (W0401).

* Also flag unused names from wildcard imports (W0614).
Refactor wildcard imports.

* Drop wildcard; state imported names explicitly.
* Import each module only once.
* Drop unused imports.
* Fix broken imports: Explicitly import modules
  previously implicitly imported by wildcard.
Flag implicit relative imports (W0403).
State relative imports explicitly.