[sailfish-browser] Improve favorite icon loading
[sailfish-browser] Add private data clear options to browser settings

This will add "clear history", "clear cookies", "clear saved passwords",
and "clear cache" options to the browser settings.
Change order of default search engine and privacy button

Once we have more settings sub pages the button should be changed
to a background item.
add unit tests for declarativebookmarkmodel
[sailfish-browser] Prevent Qt from releasing its OpenGL context and scene graph.

A longer term solution should be to let the browser engine listen
to QQuickWindow::sceneGraphInvalidated() and tackle this situation
more gracefully.
[sailfish-browser] increase timeout to suspend view after playback ends.
[sailfish-browser] Add do not track option for browser settings

Requires: https://github.com/sailfishos/sailfish-browser/pull/110
[sailfish-browser] fix aptoide install support
[sailfish-browser] support sideloade aptoide for myapp install
[sailfish-browser] Give initial height as a binding
fix url and bump version in spec
[sailfish-browser] Save memory with tab count and reusing existing tab
[sailfish-browser] Update default bookmarks
clear extra spaces
[sailfish-browser] Add support for web service icons provided by platform

Current one is just one example.
[sailfish-browser] Update default bookmark count for tests
[sailfish-browser] Fix loading of external url to the active tab

When external url is requested so that browser is not running
requested url is loaded once engine is ready to load urls. In this
case requested url is considered as a navigation request so that browser
side tab history gets updated.
[sailfish-browser] Notify memory pressure

Requires: https://github.com/tmeshkova/qtmozembed/pull/76
Update qtmozembed requires field
[sailfish-browser] bookmark editing

use enterkey to accept/jump, don't allow empty urls, show url instead of empty title

make landscape scrollable, inputhints for url field