Unit tests no longer fail silently on Travis CI builds.

This PR fixes two minor bugs and adds a workaround for the address computation of Ghidra, which sometimes adds an offset and sometimes not. There seems to be no function in the Ghidra API that can be used to tell the plugin when this happens and when not.

* Removes old version of log_utils, prototypes for new version.

* Implemented native logging

* Json-Output basically working.

* Added acceptance test for JSON parsing

* Adds some odoc to log_utils.

* Added support for file output (--cwe-checker-out)

* Add acceptance test for file output

* Initial commit of cwe_checker emulation feature using bap primus under the hood.

* Fixed some Core issues with Maps and Hashtbls

* Moved plugins to their own folders as expected by BAP.

* Added .merlin since everybody likes merlin

* Further improvements in the build process

* Commented cwe_checker_emulation plugin

* cwe_checker_emulation detects double frees with the help of Primus.

* Refactoring of cwe_checker_emulation, extracted incident reporting to
module Incident_reporter.

* Added test cases for cwe125, cwe416, and modified cwe415.

* Now reporting use-after-free correctly

* Adjusted README

* Adjusted CHANGES.md.

* Added spaces to content codacy.

* Adjusted build process for emulation plugin

* fixed emulation recipe

* Reports out-out-bounds read/writes, events are not reported multiple times now.

* Adds tests for cwe-415 and cwe-416. Arritifical examples for cwe-125 and cwe-787

* Travis aware emulation tests.

* Fixed acceptance tests.

* improved CWE476-check with dataflow analysis

This adds a check for CWE248: Uncaught Exception