(Manual tests)
Fix arrows and captions, animations and visibility
Fixes #214
Extended keyboard support
Fix options mix `{loop:true, clicktransition:'crossfade'}`
(Update Jasmine specs)
#218 Allow to hide captions via setOptions. Fix some measures collisions. (Update Gruntfile.js)
(Manual tests)
#181 Always visible arrows via `arrows:'always'`
(4.5.1 & HISTORY.md)
Merge branch 'master' into develop
Drop all-caps in license
Tagging the 4.5.1 release