* development: (29 commits)
Do not remove artifacts when running `clean`
fix style errors
Fix circular dependency
Add my profile image to images
Add myself to about page
Add dogfood configs to website
Revert to lerna:run lint
Do lint sequentially
Exclude monorepo-scripts from tslint as test
Fix prettier
Add hover state to top tokens
Change to weekly txn volume
Change minimum Node version to 6.12
Document Node.js version requirement and add it to package.json
Apply prettier to some files which were not formatted correctly
Fix TSLint issues
Fix TSLint issues
Update ethereeumjs-testrpc to ganache-cli
Fix infinite loop
Add changelog entries for packages where executable binary exporting fixed
...
# Conflicts:
# packages/contracts/package.json
# packages/contracts/util/formatters.ts
# packages/contracts/util/signed_order_utils.ts
# packages/migrations/package.json
# yarn.lock
