Refactor .list-inline and .list-unstyled
Refactor .list-inline and .list-unstyled

* Instead of shared and separate CSS, isolate by class for easier
mixin-ability
* .list-unstyled is now used as a mixin in .list-inline

BS3 commit f0f33eb

mozillo/todc-bootstrap,aaroncnhk/todc-bootstrap,todc/todc-bootstrap,2947721120/todc-bootstrap,todc/todc-bootstrap,up2vs/todc-bootstrap,2947721120/googlebt4,ztx1491/todc-bootstrap,todc/todc-bootstrap