Merge branch 'renne' into 'master'

src/grouping/ptm/ptmisland.cpp

src/grouping/ptm/ptmisland.h

src/grouping/ptm/ptmislandsubgroup.h

...dentification_run_list_view/ms_identification_run_view.ui

...entification_run_list_view/msidentificationlistwindow.cpp

...ication_run_list_view/msidentificationtableproxymodel.cpp

src/gui/ptm_island_list_view/ptmislandtablemodel.cpp

src/gui/ptm_island_list_view/ptmislandtablemodel.h

src/gui/ptm_peptide_list_view/ptm_peptide_list_view.ui

src/gui/ptm_peptide_list_view/ptmpeptidelistwindow.cpp

src/gui/ptm_peptide_list_view/ptmpeptidelistwindow.h

src/gui/ptm_peptide_list_view/ptmpeptidetablemodel.cpp

src/gui/ptm_peptide_list_view/ptmpeptidetablemodel.h

src/gui/ptm_peptide_list_view/ptmpeptidetableproxymodel.cpp

src/gui/ptm_peptide_list_view/ptmpeptidetableproxymodel.h

src/gui/widgets/Alignment_group_menu/alignmentgroupmenu.cpp

src/output/ods/ptm/ptmislandsheet.cpp