Debugger: Use mostly Qt5-style connects in debuggerplugin.cpp
Debugger: Use mostly Qt5-style connects in debuggerplugin.cpp

Change-Id: If1230268ac558a8d7837d919e122fae4dff7097b
Reviewed-by: hjk <f81b91af79013637d070c18d38a75b90eaae8ba3@nokiamail.com>

kuba1/qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,kuba1/qtcreator,AltarBeastiful/qt-creator,farseerri/git_code,kuba1/qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,danimo/qt-creator,xianian/qt-creator,farseerri/git_code,danimo/qt-creator,kuba1/qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,farseerri/git_code,xianian/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,xianian/qt-creator,danimo/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,xianian/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,farseerri/git_code,farseerri/git_code,xianian/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,amyvmiwei/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,kuba1/qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,farseerri/git_code,kuba1/qtcreator,amyvmiwei/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,danimo/qt-creator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator