Overwrite .accordion__body's box-sizing

UI-1781 Overwrite .accordion__body's box-sizing (#11)

* overwrite .accordion__body's box-sizing

* Update HISTORY

* Update package-lock.json

up version to 1.1.4

* Update package.json

up version to 1.1.4

v1.1.3: Multiple action icons (#13)

* multiple-action-icons

* version updates

* up travis node version

* comment stable out

Polymer 1.x/2.x hybrid element support

v1.1.0

v1.1.0

Design Refresh

v1.0.0

fix icons

Pre-refresh Compatible Version

Use this version of px-accordion if you have not yet picked up all of the Predix Design System refreshed components.