Add reports (consecutive and * to 2.23), also add used libs
Add 2.21_to_2.23 report excluding classes that were shaded in 2.21

The report was generated with

```
$ japi-compliance-checker libs/kryo-2.21.jar libs/kryo-2.23-20131201.010510-27.jar \
  -report-path 2.21_to_2.23-20131201.010510-27_wo-shaded.html \
  -skip-classes all-classes.txt
```