fix global var leak
hopefully fix #390, #410, #401, #394, #389, #395
Merge branch 'patch-1' of https://github.com/doochik/iscroll into doochik-patch-1
cleanup
build and dist update
fix #413
fix #414 #415 #416 and others, add startZoom option
hell lot of fixes #469 #427 #482 #466 and others
merge
rf