Bug 915897 - Disable testShareLink due to intermittent failures.
Bug 608915 - part 1 - extend ToPrecision to tell use whether exponential notation was used; r=Waldo
Bug 608915 - part 2 - use MFBT's double-conversion code in nsString::AppendFloat; r=bz,gps
Bug 936555 - make mozinfo use MozconfigLoader to locate the mozconfig; r=gps