Move Info tab content to a separate widget.

Change-Id: I39a4e035372920f05f5fb3ab5bfc9459314997ad

rbutil/rbutilqt/rbutilqt.pri

@@ -18,6 +18,7 @@
 # common files
 SOURCES += \
  gui/manualwidget.cpp \
+ gui/infowidget.cpp \
  rbutilqt.cpp \
  main.cpp \
  installwindow.cpp \
@@ -80,6 +81,7 @@ SOURCES += \
 
 HEADERS += \
  gui/manualwidget.h \
+ gui/infowidget.h \
  rbutilqt.h \
  installwindow.h \
  base/httpget.h \
@@ -149,6 +151,7 @@ HEADERS += \
 
 FORMS += \
  gui/manualwidgetfrm.ui \
+ gui/infowidgetfrm.ui \
  rbutilqtfrm.ui \
  aboutbox.ui \
  installwindowfrm.ui \