typedecl: Refactor cv-qualification skipping methods and other minor changes
typedecl: Refactor cv-qualification skipping methods and other minor changes

- Create method analyze() to replace without_qualifications() and collected_qualifications()
- Rename CVQualified to CVQualifier
- Rename PointerActingAsSizedArray to PointerWithArraySize
- Remove unrequired parameters to super()
- Allow cv-qualifiers applied to cv-qualifiers (at most two levels)

erdavila/c-plus-plus-11,erdavila/my-cplusplus-playground