Webkit SVN Tag 538.4
WTF: add iOS Target
WTF: compile without collation
WTF: add combine iOS lib build phase
JSC: iOS Targets
Fixing stuff... I think.
Removed debug symbols
JSC: added combine iOS libs target
Added Typed Array API
Fix Number.MIN_VALUE when denormal support is disabled for the CPU
Set deployment target to iOS 5.1; disable some debug flags
Updated readme for 538.4