AUI-885 Dates are not normalized in "_getMonthOverlapDaysOffset" function
AUI-866 - fix calendar day and week sizes to scale with zoom
AUI-886 - Remove IE specific rules
AUI-886 - Build
Merge branch '1.5.x' into pull-request-169-AUI-886
Merge branch '1.5.x' into pull-request-168-AUI-885
AUI-885 - Build files