Git: Limit size of git blame output when using omit-date
Git: Limit size of git blame output when using omit-date

* Do not use setPlainTextData on VCSBaseEditor only as that one implements
  the size limits on VCS output.

* Rework removal of date data from lines to limit copying

Change-Id: Ic1f507eb7bdabdb82b4a37a3d3e6f9381775b680
Reviewed-on: http://codereview.qt.nokia.com/780
Reviewed-by: Qt Sanity Bot <5581206bb7e0307f0d99eb71898ae6b694149ca5@ovi.com>
Reviewed-by: Tobias Hunger <012f8d714267bccc9d4766fbeace9f175fcc70c4@nokia.com>

omniacreator/qtcreator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,ostash/qt-creator-i18n-uk,dmik/qt-creator-os2,AltarBeastiful/qt-creator,azat/qtcreator,kuba1/qtcreator,omniacreator/qtcreator,azat/qtcreator,Distrotech/qtcreator,kuba1/qtcreator,colede/qtcreator,maui-packages/qt-creator,syntheticpp/qt-creator,bakaiadam/collaborative_qt_creator,farseerri/git_code,Distrotech/qtcreator,xianian/qt-creator,malikcjm/qtcreator,KDE/android-qt-creator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,ostash/qt-creator-i18n-uk,syntheticpp/qt-creator,duythanhphan/qt-creator,jonnor/qt-creator,bakaiadam/collaborative_qt_creator,jonnor/qt-creator,darksylinc/qt-creator,ostash/qt-creator-i18n-uk,jonnor/qt-creator,danimo/qt-creator,danimo/qt-creator,danimo/qt-creator,Distrotech/qtcreator,darksylinc/qt-creator,colede/qtcreator,xianian/qt-creator,kuba1/qtcreator,richardmg/qtcreator,AltarBeastiful/qt-creator,bakaiadam/collaborative_qt_creator,AltarBeastiful/qt-creator,KDE/android-qt-creator,hdweiss/qt-creator-visualizer,Distrotech/qtcreator,dmik/qt-creator-os2,KDE/android-qt-creator,KDE/android-qt-creator,danimo/qt-creator,richardmg/qtcreator,KDAB/KDAB-Creator,AltarBeastiful/qt-creator,jonnor/qt-creator,duythanhphan/qt-creator,KDAB/KDAB-Creator,xianian/qt-creator,hdweiss/qt-creator-visualizer,hdweiss/qt-creator-visualizer,syntheticpp/qt-creator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,kuba1/qtcreator,farseerri/git_code,Distrotech/qtcreator,malikcjm/qtcreator,syntheticpp/qt-creator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,duythanhphan/qt-creator,farseerri/git_code,duythanhphan/qt-creator,malikcjm/qtcreator,xianian/qt-creator,ostash/qt-creator-i18n-uk,azat/qtcreator,darksylinc/qt-creator,farseerri/git_code,malikcjm/qtcreator,amyvmiwei/qt-creator,danimo/qt-creator,richardmg/qtcreator,darksylinc/qt-creator,danimo/qt-creator,xianian/qt-creator,darksylinc/qt-creator,martyone/sailfish-qtcreator,colede/qtcreator,maui-packages/qt-creator,KDAB/KDAB-Creator,syntheticpp/qt-creator,omniacreator/qtcreator,richardmg/qtcreator,KDAB/KDAB-Creator,maui-packages/qt-creator,colede/qtcreator,syntheticpp/qt-creator,hdweiss/qt-creator-visualizer,martyone/sailfish-qtcreator,KDE/android-qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,colede/qtcreator,hdweiss/qt-creator-visualizer,omniacreator/qtcreator,ostash/qt-creator-i18n-uk,omniacreator/qtcreator,amyvmiwei/qt-creator,farseerri/git_code,kuba1/qtcreator,martyone/sailfish-qtcreator,hdweiss/qt-creator-visualizer,KDAB/KDAB-Creator,danimo/qt-creator,richardmg/qtcreator,kuba1/qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,colede/qtcreator,kuba1/qtcreator,ostash/qt-creator-i18n-uk,dmik/qt-creator-os2,dmik/qt-creator-os2,syntheticpp/qt-creator,omniacreator/qtcreator,AltarBeastiful/qt-creator,duythanhphan/qt-creator,kuba1/qtcreator,duythanhphan/qt-creator,dmik/qt-creator-os2,bakaiadam/collaborative_qt_creator,richardmg/qtcreator,KDE/android-qt-creator,bakaiadam/collaborative_qt_creator,xianian/qt-creator,bakaiadam/collaborative_qt_creator,danimo/qt-creator,richardmg/qtcreator,xianian/qt-creator,malikcjm/qtcreator,jonnor/qt-creator,KDAB/KDAB-Creator,KDE/android-qt-creator,maui-packages/qt-creator,jonnor/qt-creator,darksylinc/qt-creator,martyone/sailfish-qtcreator,ostash/qt-creator-i18n-uk,maui-packages/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,danimo/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,maui-packages/qt-creator,malikcjm/qtcreator,darksylinc/qt-creator,farseerri/git_code,azat/qtcreator,xianian/qt-creator,omniacreator/qtcreator,azat/qtcreator,darksylinc/qt-creator,bakaiadam/collaborative_qt_creator,KDE/android-qt-creator,malikcjm/qtcreator,martyone/sailfish-qtcreator,azat/qtcreator,colede/qtcreator,dmik/qt-creator-os2,dmik/qt-creator-os2,maui-packages/qt-creator