PLD: add google analytics only for beta.ona.io, closes #915
PLD: move sticky scroll to cljs and add test
PLD: remove redundant has-offset
PLD: use sel1
PLD: convert split panel to cljs and add test
PLD: rename zebra.js to ganalytics.js
Merge pull request #918 from onaio/915-ganalytics

add google analytics and migrate js to cljs