Doc: using diff editor for Subversion by default
Doc: using diff editor for Subversion by default

Change-Id: I0f814e9f8be8f91072be8c0fb0c38ccef7a5ce2d
Reviewed-by: Orgad Shaneh <2b010cbad792a0c0a8175f752f93f83941fc6bc1@gmail.com>

xianian/qt-creator,danimo/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,xianian/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,xianian/qt-creator,xianian/qt-creator,danimo/qt-creator,xianian/qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,xianian/qt-creator,danimo/qt-creator,danimo/qt-creator,danimo/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator