Add java/npm to inline comparison (#235)

* Adds java and npm package comparison
* Adds probable matching of extra packages syft found and missing packages that syft did not find (but inline did). This way there is a section of output that fuzzy-matches the package names to get a better sense of "real" problems (actual missing packages) vs slightly mismatched metadata during troubleshooting.
* Adds a set or probable missing packages to the report based on the probable matches (again, to aid in troubleshooting)
* Fixes image reference clean function to support references with registries
* Only shows metadata differences when the package was found by both inline and syft
* Splits the inline-compare code into more manageable pieces

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

test/inline-compare/.gitignore

@@ -1,2 +1,3 @@
 *.json
+*.pyc
 inline-reports