Merge lp://staging/~midori/midori/preferences-headerbar into lp://staging/midori

CMakeLists.txt (+16/-75)
HACKING (+1/-1)
extensions/CMakeLists.txt (+11/-12)
extensions/about.vala (+1/-5)
extensions/adblock/extension.vala (+0/-33)
extensions/adblock/widgets.vala (+0/-8)
extensions/colorful-tabs.c (+0/-5)
extensions/cookie-manager/cookie-manager.c (+0/-6)
extensions/cookie-permissions/cookie-permission-manager-preferences-window.c (+0/-22)
extensions/cookie-permissions/cookie-permission-manager.c (+0/-17)
extensions/external-download-manager.vala (+0/-17)
extensions/feed-panel/feed-panel.c (+2/-6)
extensions/feed-panel/main.c (+1/-1)
extensions/formhistory/formhistory.c (+1/-1)
extensions/history-list.vala (+0/-14)
extensions/nojs/nojs-preferences.c (+0/-18)
extensions/open-with.vala (+0/-14)
extensions/shortcuts.c (+1/-1)
extensions/tabby.vala (+0/-4)
extensions/transfers.vala (+1/-15)
katze/gtk3-compat.c (+0/-243)
katze/gtk3-compat.h (+0/-93)
katze/katze-cellrenderercomboboxtext.c (+0/-39)
katze/katze-http-auth.c (+1/-2)
katze/katze-item.c (+1/-1)
katze/katze-preferences.c (+23/-25)
katze/katze-utils.c (+0/-80)
katze/katze-utils.h (+0/-1)
katze/midori-paths.vala (+1/-25)
katze/midori-uri.vala (+0/-2)
midori/main.c (+0/-11)
midori/midori-app.c (+1/-35)
midori/midori-browser.c (+3/-151)
midori/midori-browser.h (+0/-4)
midori/midori-download.vala (+0/-38)
midori/midori-frontend.c (+1/-3)
midori/midori-locationaction.c (+1/-87)
midori/midori-notebook.vala (+0/-54)
midori/midori-panel.c (+0/-10)
midori/midori-platform.h (+0/-1)
midori/midori-preferences.c (+3/-0)
midori/midori-privatedata.c (+1/-1)
midori/midori-searchaction.c (+2/-8)
midori/midori-session.c (+1/-46)
midori/midori-settings.vala (+0/-18)
midori/midori-tab.vala (+0/-25)
midori/midori-view.c (+15/-421)
midori/midori-websettings.c (+1/-154)
midori/midori-window.vala (+1/-8)
midori/sokoke.c (+0/-53)
midori/sokoke.h (+0/-1)
midori/webkit2gtk-web-extension-4.0.vapi (+0/-2801)
midori/webkitgtk-3.0.deps (+0/-6)
midori/webkitgtk-3.0.vapi (+0/-841)
snap/snapcraft.yaml (+0/-1)
tests/actions.vala (+0/-3)
tests/browser.c (+0/-2)
tests/download.vala (+0/-26)
tests/extensions.c (+0/-4)
tests/magic-uri.c (+0/-2)
tests/properties.c (+0/-5)
tests/tab.vala (+0/-15)