Refactoring
Refactoring

SQUASHED: AUTO-COMMIT-src-components-widgets-lively-tabs-wrapper.html,AUTO-COMMIT-src-components-widgets-lively-tabs-wrapper.js,SQUASHED-AUTO-COMMIT-src-components-widgets-lively-tabs-wrapper.js,

LivelyKernel/lively4-core,LivelyKernel/lively4-core