add logo to readme
Merge pull request #175 from mojotech/sjs/add-logo

add logo to readme
Convert logo mark to png
Update grunt plugin name.
Remove global underscore
Remove global driver
Remove global $
Remove global argv
Remove globals doc all together
Shorthand Widget with @W
Refactor pioneer to accept option hashes
Add selector to widget class operations
Add select feature to widget form
Allow pioneer to generate feature scaffold
Get rid of default config
clean up config test
Fix scaffold test for missing webdriver case
Bump and build prerelease
Add selector to widget getAttribute
Fix isVisible to account for non-present element