VUX V2.5.4 released

Group

• [enhance] XSwitch：labelAlign support justify #1707

Sticky

• [fix] Auto re-bind after router-view transition is finished
• [fix] Fix position fixed not work in ios #1657

Tabbar

• [feature] Add event:on-index-change #1715

XImg

• [feature] re-init after router-view transition is finished

Bus

• [feature] new plugin for managing events