alerts ajax request
add comment
update alert template
set timeout func on alert (for transition)
concat alert.js
add posts Sass partial
add alerts Sass partial
add post title to alerts
add modernizr tests
trim whitespace
trim whitespace
make alerts closable
fix some alert.js vars
assign & hide alerts using post ids
load unique css file for get-it page
Merge branch 'alerts' into v2.1.1
Merge branch 'v2.1.1' into prod