Moved vagrant-cachier from :box to :machine scope. [Fixes #650] [ci skip]
Fix typo.
icanhazip: use ipv4 subdomain to receive only ipv4 addresses

Signed-off-by: Thomas Stilwell <stilwellt@openlabs.co>
Drop external requirement: argparse.

* argparse is in Python's Standard Library since Python 2.7.
Merge pull request #657 from Renelvon/drop_argparse

Drop external requirement: argparse.
Merge pull request #634 from benemorius/icanhazipv4

[STANDBY] icanhazip: use ipv4 subdomain to receive only ipv4 addresses
Merge pull request #650 from patcon/560-machine-scope-caching

Switch vagrant-cachier cache scope to :machine
Comment-out old broken feature test
Update requirements to integrate with coveralls
Enable coveralls integration in travis
Augment makefile test target so that it runs test with coverage
Add coveralls badge to README next to build badge
Merge pull request #660 from dionyziz/coverage

Coveralls support
Follow code conventions
Merge pull request #661 from gasull/code-conventions-ubuntu-installer

Follow code conventions
Drop unused new_keypair.cpp.

* python-gnupg handles keypair generation now.
Merge pull request #664 from Renelvon/purge_cpp

Drop unused new_keypair.cpp.
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