Gnc-Prefs: migrate extra_toolbuttons preference (business option)

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23237 57a11ea4-9604-0410-9ed3-97b8803252fd
Gnc-Prefs: migrate GtkCheckbutton widgets (and associated preferences) - second batch

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23238 57a11ea4-9604-0410-9ed3-97b8803252fd
Gnc-Prefs: migrate GtkCheckbutton widgets (and associated preferences) - last batch

All GtkCheckButtons now use the new preferences backend
so drop the GtkCheckButton-Gconf wiring as well.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23239 57a11ea4-9604-0410-9ed3-97b8803252fd
Gnc-Prefs: migrate GtkSpinbutton widgets (and associated preferences)

All GtkSpinkButtons now use the new preferences backend
so drop the GtkSpinkButton-Gconf wiring as well.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23240 57a11ea4-9604-0410-9ed3-97b8803252fd
Gnc-Prefs: migrate int-typed preferences (and GtkCombobox widgets linked to them)

All GtkComboBoxes now use the new preferences backend
so drop the GtkComboBoxes-Gconf wiring as well.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23241 57a11ea4-9604-0410-9ed3-97b8803252fd
Gnc-Prefs: migrate file history plugin

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23242 57a11ea4-9604-0410-9ed3-97b8803252fd
Gnc-Prefs: migrate account_separator preference (and associated GtkEntry widget)

All GtkEntries now use the new preferences backend
so drop the GtkEntry-Gconf wiring as well.

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23243 57a11ea4-9604-0410-9ed3-97b8803252fd
Resave preferences dialog with a recent glade-3 version

This is in a commit of its own to separate automatic
changes from the real ones

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23244 57a11ea4-9604-0410-9ed3-97b8803252fd
Gnc-Prefs: migrate date_format preference

This includes converting the radio button group in preferences
into a combobox

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23245 57a11ea4-9604-0410-9ed3-97b8803252fd