Adds Scan Unit Testing Implementation
Merge branch 'scanUnitTest' into 2.0final

Conflicts:
	threadfix-cli-importers/src/main/java/com/denimgroup/threadfix/importer/cli/ScanSerializer.java
	threadfix-cli-importers/src/test/java/com/denimgroup/threadfix/importer/ScanLocationManager.java
	threadfix-cli-importers/src/test/java/com/denimgroup/threadfix/importer/utils/SimpleFinding.java
	threadfix-importers/src/main/java/com/denimgroup/threadfix/importer/impl/upload/FindBugsChannelImporter.java
Adds tests for most of the scanners. They still need some work before going into the main branch.
Fixes the scan unit tests so that they're all passing.
Merge branch 'scan-test-updates' into 2.0final
Adds missing skipfish mappings.
Merge branch '2.0final' of https://github.com/denimgroup/threadfix into 2.0final