ALM-255 updated Chef scripts
ALM-214 upgrade to Capybara 2
ALM-255 fixed default username/password
ALM-255 fixed what sources to enable
ALm-286 additional rake tasks for seeding and deleting of articles
ALM-196 disable brittle caching tests
ALm-286 increased Aruba timeout
ALM-187 changed Nature Blogs API URL
ALM-255 added tag to exclude brittle cucumber tests in CI testing
ALM-255 added tag to exclude brittle cucumber tests in CI testing
ALM-289 allow lookup of original URL when cookies are enabled
ALM-214 added test for d3.js article visualizations
Merge remote-tracking branch 'upstream/master'