Mixin created to generate text alignment and justify classes
Removed old text alignment classes
Fixes duplicates of alignment classes being generated
Added new trasition time and timing function
Renamed variables to make compatible with other transition names
Added transition for opacity
Added new alert-close class to enable animation on close
Removed unused animation and speed from settings
Adding .alert-close to animate close
Using transition-end to detect animation completion
Newly introduced alert variables added to settings
Updated to enable callback on close
Update settings file
Removed basic and advanced sections related to javascript as variables have been removed
Updated doc to reflect changes in javascript and sass variables
TODO: Replace alert example in javascript page
Limit legacy visibility classes to legacy breakpoints

When enabled, generating legacy visibility classes only uses small,
medium, and large breakpoints. Since those were the only breakpoints
that existed in Foundation 4, there is no need to generate visibility
classes for any breakpoints beyond those three.
add next_on_click setting for Orbit
Adding remove and toggle class functions
Adding function to replace repeated lines
Removed repeated exit-offcanvas handler
Syntax error fix
Enable clicks inside offcanvas
Remove invalid HTML in docs example
Merge pull request #4728 from NikhilKalige/offcanvas-js-refractor-5.2.1

Offcanvas js refractor for 5.2.1