v0.4.6

bugfix

• #127 : fix mediaController stuck and not jumping over buffer hole
• #169 : register bower as public
• #175 : fix API doc for LEVEL_SWITCH

improvement

• #179 : mediaController : allow configuration of maxSeekHole/maxBufferHole
• #182 : refactoring : introduce EventHandler
• #183 : xhr : use loadend instead of readystatechange
• mediaController : upon level switching on a live playlist, wait for live playlist refresh before loading a new frag