Cppcheck-1.73

Cppcheck-1.73 has been released

General changes:
- CWE mapping of messages
- Translated manual to Japanese language

Removed checks:
- Checks for variables hiding enums or typedefs have been removed

New checks:

Checking improvements:
- Improved ValueType a lot, use it in more checks
- Improved VarId support for template constructors, namespaces and references as class members
- Improved libraries, especially gnu.cfg, posix.cfg and windows.cfg
- Improved simplification of enums and templates
- Better distinguishing between possible and known null pointer dereferenciations
- Assume integers to be signed by default
- better support for cplusplus macro in preprocessor
- Preprocessor directives for addons
- New tools: times-vs.py, reduce.py

GUI:
- Detect Geany and QtCreator
- Make statistics dialog shown when checking is finished optional

Additionally, lots of false positives and bugs have been fixed and several existing checks have been improved.