WikiaMobile: Fo not initialize iscroll if list is empty
MOb-654: Simplify mixins
MOB-654: Fix for footer shadow
MOB-654: Fixes for top navigation and toc
MOB-654: Check content direction not user lang direction
Merge pull request #2285 from Wikia/MOB-654-Fixes-for-rtl

Mob 654 fixes for rtl