ephy-location-entry: Set default size and allow to reduced the entry

https://bugzilla.gnome.org/show_bug.cgi?id=708994
Added Greek translation
ephy-download: Detect .xz as compressed too

A fix to a hack to avoid filenames like "filename.tar(1).xz"

https://bugzilla.gnome.org/show_bug.cgi?id=711750
ephy-web-view: fix a critical warning
ephy-window: Allow again undo and redo and work again accel Ctrl+Z and Shift+Ctrl+Z

* Add Undo and Redo to the gear menu
* Add Undo and Redo to the popup menu when context is editable
* Work again Ctrl+Z accel to Undo and Shift+Ctrl+Z accel to Redo
* Bump the WebKitGTK+ requirements to 2.2.2

https://bugzilla.gnome.org/show_bug.cgi?id=698703
[release] 3.11.1
ephy-toolbar: Port to GtkHeaderBar

https://bugzilla.gnome.org/show_bug.cgi?id=711668
Use margin-start/end instead of margin-left/right

Also bump required GTK+ version for them.

https://bugzilla.gnome.org/show_bug.cgi?id=712801
configure.ac: Add -Wno-deprecated-declarations flag
wrap libwnck code so it runs only on X11

This is necessary to use Epiphany on Weston, the
Wayland compositor without having to run XWayland.

https://bugzilla.gnome.org/show_bug.cgi?id=708955
Updated Greek translation
Update Chinese simplified translation
ephy-history-view: Call parent class on button release handler

https://bugzilla.gnome.org/show_bug.cgi?id=696653
uri-tester: Avoid critical when unref-ing NULL regex

When a regex compilation fails we get an error and NULL. No need to
unref the NULL pointer.

https://bugzilla.gnome.org/show_bug.cgi?id=719405
uri-tester: Compile regex in JavaScript compatibility mode

AddBlock regexes now are compiled in JavaScript compatibility mode to
avoid the errors happening from using the patterns from
https://easylist-downloads.adblockplus.org/easylist.txt .

https://bugzilla.gnome.org/show_bug.cgi?id=719399