Error when reopening ambient external module or using relative name for the ambient module.
Update some tests after minimal lib.d.ts changes
Test updates for resolved bugs
Delete file that shouldn't have been in the last checkin
Variables with the same parent decl and the same name should be considered the same for the purposes of find-refs.
Support find-refs on properties of object literals.

The compiler produces new symbols for these object literals each time.  So we need
to check if they came from the same AST to determine equivalence.
Update testcase after bug fixed