Small icons for dialog browse, refresh, and row operations.
Icons in B&W so they don't over-emphasize with respect to other
controls in the dialog.
Layout cleanup for consistency. Removal of the blank space to
left of the fields list in the Global Fields Editor, and addition
of column-sizing-to-list-width.
More even spacing for buttons in html report panel.
Honor platform conventions for action button order and layout.
Move netlist importer to update-pcb-from-schematic algorithm
(display messages and then update instead of "dry run" checkbox)
(cherry picked from commit b21e19d)
Jon Evans
Michael Kavanagh
Seth Hillbrand
Jeff Young