Changes

===GtkScale===

===GtkScale===

SVG for the slider sketched.

SVG for the slider sketched, two variants (normal and active).  Bar rounded.

* bar should be bi-colored. (Waiting landing of https://bugzilla.gnome.org/show_bug.cgi?id=665140)

* bar should be bi-colored. (Waiting landing of https://bugzilla.gnome.org/show_bug.cgi?id=665140)

* bar should have rounded endings

* active bar should have white border, seems doable in Adwaita.

* bar should has border

===GtkSpinButton===

===GtkSpinButton===