iostoolhandler: thighten stop process
iostoolhandler: thighten stop process

gurantee that finished is emitted also when the process fails to start
and always after the sub process has actually finished.

Change-Id: I716ebf62074dc77790716e60e88348a932cbe9f6
Reviewed-by: Oswald Buddenhagen <6a8868beda3e139b5ac22b2534a23d3e6ba81819@digia.com>
Reviewed-by: Fawzi Mohamed <7388270c57edd0fabd71d8eb0322d66e3c40e57e@digia.com>

xianian/qt-creator,kuba1/qtcreator,farseerri/git_code,farseerri/git_code,danimo/qt-creator,xianian/qt-creator,maui-packages/qt-creator,darksylinc/qt-creator,danimo/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,farseerri/git_code,danimo/qt-creator,colede/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,kuba1/qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,colede/qtcreator,omniacreator/qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,darksylinc/qt-creator,maui-packages/qt-creator,danimo/qt-creator,danimo/qt-creator,xianian/qt-creator,kuba1/qtcreator,omniacreator/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,xianian/qt-creator,danimo/qt-creator,darksylinc/qt-creator,Distrotech/qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,colede/qtcreator,martyone/sailfish-qtcreator,omniacreator/qtcreator,maui-packages/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,darksylinc/qt-creator,darksylinc/qt-creator,colede/qtcreator,xianian/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,farseerri/git_code,kuba1/qtcreator,AltarBeastiful/qt-creator,darksylinc/qt-creator,farseerri/git_code,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,darksylinc/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,darksylinc/qt-creator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,Distrotech/qtcreator,farseerri/git_code,amyvmiwei/qt-creator,omniacreator/qtcreator,kuba1/qtcreator,maui-packages/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,omniacreator/qtcreator,colede/qtcreator,maui-packages/qt-creator,AltarBeastiful/qt-creator,colede/qtcreator,omniacreator/qtcreator,farseerri/git_code,amyvmiwei/qt-creator,omniacreator/qtcreator,maui-packages/qt-creator,kuba1/qtcreator