Bug 1045958 - Part 1: Add USE_ICU variable separated from ENABLE_INTL_API, and enable it on Mac OS X. r=josh, a=bkerensa
Bug 1045958 - Part 2: Use raw ICU instead of CoreServices API in Unicode collation on Mac OS X, disabled by default. r=josh, a=bkerensa
Bug 1088635. r=smaug, a=bkerensa