MimeType selection: Allow to enable/disable remove/edit buttons
MimeType selection: Allow to enable/disable remove/edit buttons

Change-Id: Id13a6e775e5a476ec91329504cf7fbac8bd9c759
Reviewed-by: Nicolas Arnaud-Cormos <418d940643b1975d62234ee01246ad4b58904184@kdab.com>
Reviewed-by: Eike Ziller <c142da16c73a95a82d35191bcc55b22835617128@digia.com>

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