public wikis (default) can be viewed by anyone
add account type
installed selenium
added private wiki checkbox. default account type is set to basic
got stripe env vars to be recognized
can test stripe Checkout script with selenium
user-upgrade-account test passes using selenium
use selenium as default js driver.
Delete charges_helper.rb

remove boiler plate code
correct typo

on 'private'
remove 'capybara-webkit' gem
remove wiki factory
Update wiki_spec.rb
upgrade to premium account is persisted. tested
premium users blocked from upgrading
Merge branch 'add-stripe' of https://github.com/bfaguy/Blocipedia into add-stripe
pull small changes from github
delete boiler plate code
remove charges helper
remove capybara-wekit gem
wikis are public by default. tested authorization of wikis