There is no need to show two headers when we are only displaying a single
section of search results, so we merge the section header with the main
header in that case.
Show a back button on the left of the main header to get back to the results
for all sections.
Remove this._showTooltip flag from SearchSectionHeader because we no longer
show this type of header when we want to suppress the tooltip.
Add this._appSearchResultsOnlyShown and this._docSearchResultsOnlyShown
flags to track when a single section is shown more cleanly.
Remove the last use of passing width into Dash by having the
Pane with the previews scaling dynamically and relying on
Clutter scaling.
If we only have one workspace, don't display a selection frame
for it.
Rework Dash into a searchArea and sectionArea, which get
explicitly sized by overlay.js. We use the workspaces size
to choose the size of those dash areas.
Switch dash colors/boxes etc. to ones from shell-black02.
Add a gradient to the panel.
Add a magnifier.svg for use in search.
We only want to include gnome-shell.in.in in the tarball. If we
include gnome-shell.in, then it won't be regenerated, and paths
won't be correct for the install location.
