Darjeeling

Features

* added `SignedToUnsigned`, `InsertVoidFunctionCall`, `InsertConditionalBreak`, `InsertConditionalReturn`, and `ApplyTransformation` transformations.

Bug Fixes

* fixed bug in `searcher` that caused the reported search time to be longer than expected.

Changes

* removed dependence on BugZoo's localization module.
* improved logging levels.
* added more debugging statements for Rooibos transformations.

* added better support for searching for Rooibos transformations
* added localization module
* removed repair module
* simplified outcome module

* added missing dependency "boggart"

* added patch history to Searcher
* added basic Rooibos integration

* BugZoo client compatibility fixes

* added NoImplicatedLines and NoFailingTests exceptions to Problem constructor