Suppress -Wcompare-distinct-pointer-types in BeSameInstanceAs

This is needed when used with Xcode 5.1
add inherited to other linker flags
Merge pull request #194 from boundsj/add_inherited

add inherited to other linker flags
Merge pull request #196 from pivotal/suppress-compare-distinct-pointer-types

Suppress -Wcompare-distinct-pointer-types in BeSameInstanceAs
Expose _terminateWithStatus: via category

Fixes compilation errors on Xcode 5.1
Fix applescript for cucumber tests on Xcode 5.1