VCS: Emit repositoryChanged on some missed cases
VCS: Emit repositoryChanged on some missed cases

* If command fails - it might fail due to a conflict.
  That doesn't mean the repository hasn't changed.
* On runVcs

Change-Id: I0acd33a330c90d7c4f0df1f113ef2852eaf0ad03
Reviewed-by: Tobias Hunger <012f8d714267bccc9d4766fbeace9f175fcc70c4@digia.com>

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