upgrade from ga.js to analytics.js, case #9
add Google Analytics event tracking, case #9
move open search overlay's event into search script, case #9
fix broken Cucumber tests, case #9
fix small screens' posts line-height in categories/tags pages
rename social-icons to social-links, case #9
update event tracking naming conventions, case #9
fix broken Cucumber tests, case #9
Merge branch 'support/#9/use-analytics.js'