bug 894458 - Support truncation of stacks in JSON stackwalk
bug 894483 - remove 1024 frame limit from stacks
bug 638204 - expose frame trust in stacks
Merge pull request #1605 from luser/frame-trust

Expose frame trust in stacks
bug 431514 - indicate frames with missing symbols
Merge pull request #1607 from luser/symbol-status

bug 431514 - indicate frames with missing symbols
changed to non-escaping caching iter wrapper for stackwalker
Merge pull request #1608 from twobraids/hybrid-no-escape

Fixes Bug 929096 - changed to non-escaping caching iter wrapper for stackwalker
Revert "Fixes bug 913126, fixes bug 917025 - Made rapid betas work in all search-based systems. r=brandonsavage"

This reverts commit df0827f93b78c419c8826c9e5c07ca21720a3bce.

Reopened bug 913126