Refactoring - step 3

sflphone-gtk/src/Makefile.am

sflphone-gtk/src/actions.c

sflphone-gtk/src/actions.h

sflphone-gtk/src/call.c

sflphone-gtk/src/call.h

sflphone-gtk/src/calllist.c

sflphone-gtk/src/calllist.h

sflphone-gtk/src/calltab.c

sflphone-gtk/src/calltab.h

sflphone-gtk/src/calltree.c

sflphone-gtk/src/calltree.h

sflphone-gtk/src/config/configwindow.c

sflphone-gtk/src/mainwindow.c

sflphone-gtk/src/menus.c

sflphone-gtk/src/toolbar.c

sflphone-gtk/src/toolbar.h