new protein xtp object and sequence database

src/CMakeLists.txt

src/core/automaticfilterparameters.cpp

src/core/automaticfilterparameters.h

src/core/identificationgroup.cpp

src/core/proteinmatch.cpp

src/core/proteinmatch.h

src/core/proteinxtp.cpp

src/core/proteinxtp.h

src/core/sequencedatabase.cpp

src/core/sequencedatabase.h

src/gui/peptide_list_view/peptidelistwindow.cpp

src/gui/protein_list_view/proteintablemodel.cpp

src/input/xpipsaxhandler.cpp

src/input/xpipsaxhandler.h