MOB-505: Allow overriding skin with useskin param
(cherry picked from commit 5e62fe3)
WikiaMobile: Fo not initialize iscroll if list is empty
(cherry picked from commit 8f1d905)
MOb-654: Simplify mixins
(cherry picked from commit 4221f41)
MOB-654: Fix for footer shadow
(cherry picked from commit 103ecbd)
MOB-654: Fixes for top navigation and toc
(cherry picked from commit 2813a57)
MOB-654: Check content direction not user lang direction
(cherry picked from commit 3cb0601)