FakeVim: Fix behavior of 'dw' command

Task-number: QTCREATORBUG-9289
Change-Id: I7ac1c925a13df49d60db410dce2d90b02cac7cfd
Reviewed-by: hjk <hjk121@nokiamail.com>
FakeVim: Select/unselect line break in visual selection

Task-number: QTCREATORBUG-9289
Change-Id: Ic05b71491f8ed625df0ce514182eff916171666a
Reviewed-by: hjk <hjk121@nokiamail.com>
Git: Avoid version warning when Git is not found

Task-number: QTCREATORBUG-9411
Change-Id: I0bb90e508b78d0e7c7ff86fda72399036ad665ae
Reviewed-by: Christian Stenger <christian.stenger@digia.com>