add reduced_aminoacid module
reduced_aminoacid tests
[DOC] some dox syntax caused the dox-build to crash, temporarily deactivated
[NOP] remove superfluous file
[DOC,NOP] documentation and whitespace fixes
[NOP] remove empty lines
[FIX] change to constexpr local definition type tables; this makes it work with multiple TU and also prevents unused tables from being allocated.
Merge pull request #354 from h-2/feature/reduced_aminoacid_module

reduced aminoacid module