Merge lp://staging/~azzar1/unity/proper-reboot into lp://staging/unity

Upstream release 7.3.3
Approved by: Andrea Azzarone

Bump version to 7.4.0 Fixes: #1511542
Approved by: Andrea Azzarone

changed the wording of the help message and warning message for the --reset option Fixes: #1486498
Approved by: Brandon Schaefer

Remove unity2d transitional packages. We are post trusty LTS, they are not needed anymore
Approved by: Marco Trevisan (Treviño)

Unity: use compiz cursorCache to get properly updated cursors

We avoid duplicating instances and they're automatically recreated
when the system cursor setting change. Fixes: #1359211
Approved by: Andrea Azzarone

PanelService: unset the idle ID before removal on callback Fixes: #1501289
Approved by: Andrea Azzarone

UnityScreen: add SpreadAppWindows option and trigger it on Super+Ctrl+[Shift]+W
Approved by: Andrea Azzarone

ApplicationLauncherIcon: if an app is not running and has no desktop file, add QL item to add to dash

This allows to generate a desktop file without sticking the icon
Approved by: Andrea Azzarone

Releasing 7.4.0+16.04.20151102-0ubuntu1

PanelMenuView: ignore leave events when triggered by feeding nux manually

WindowManager::Default().UnGrabMousePointer uses ProcessForeignEvent to send
a ButtonRelease event, and this breaks the panel. So we need to ignore this. Fixes: #1513496
Approved by: Andrea Azzarone

SwitcherModel: allow to add/remove icons dynamically and update them when they require it

We keep hidden applications in a separated vector; when an application becomes
invisible in switcher we need to move it to the hidden_applications_ vector,
if it becomes visible again we put it back on the main model vector. Fixes: #1512349
Approved by: Andrea Azzarone

Switcher{View,Controller}: close active selection on Alt+q

'Q' should be instead the first key in the row, near to tab. Fixes: #1468820
Approved by: Andrea Azzarone

XKeyboardUtil: add ability to get keycodes from any relative position
Approved by: PS Jenkins bot, Andrea Azzarone

SwitcherView: Add support to Alt+Key-right-to-tab to close the selected app/window
Approved by: Andrea Azzarone

debian/rules: enable unit tests on arm64 again Fixes: #1514538
Approved by: Andrea Azzarone

PanelIndicatorEntryView: Activate menus on click, by drawing them as active Fixes: #1513523
Approved by: Andrea Azzarone

TextInput: show warning also when num lock is enabled
Approved by: Andrea Azzarone

Places(Overlay)VScrollBar: impelement gtk-like overlay scrollbars Fixes: #1481706
Approved by: PS Jenkins bot, Andrea Azzarone

ApplicationLauncherIcon: if a new window opens while spreading, spread again with proper match Fixes: #1517455
Approved by: PS Jenkins bot, Andrea Azzarone

ExpoLauncherIcon: add Quicklist to switch workspace and see the selected one Fixes: #750497
Approved by: PS Jenkins bot, Andrea Azzarone

Replaced deprecated calls in tests to get rid of compiler warnings
Approved by: PS Jenkins bot, Marco Trevisan (Treviño)

unity: ensure we use python3 for the launch script and python2.7 for autopilot Fixes: #1512909
Approved by: PS Jenkins bot

debian/control: Remove telepathy from recommends
Approved by: Marco Trevisan (Treviño)

Properly hide shortcut overlay window to avoid unnecessary redraws.
Approved by: PS Jenkins bot, Marco Trevisan (Treviño)

Updated apport hook to include:
- the compiz and xorg details, not only after asking users if the issue
is a graphical one (which is weird question)
- the upstart logs for unity/ups/lockscreen
- some gsettings configurations Fixes: #1508974
Approved by: PS Jenkins bot, Marco Trevisan (Treviño)

Releasing 7.4.0+16.04.20151211-0ubuntu1

releasing package unity version 7.4.0+16.04.20151211-0ubuntu2

resources: optimize png images Fixes: #1023745
Approved by: Didier Roche, Marco Trevisan (Treviño)

Display "image-missing" icon in the panel if for some reason a icon can not be loaded. Fixes: #1525186
Approved by: PS Jenkins bot, Marco Trevisan (Treviño)

ShortcutHint: Add key shortcut hints for Screenshot and Window Screenshot

Key bindings are dynamically taken from gnome settings. Fixes: #1050195
Approved by: Marco Trevisan (Treviño)

Unity: compile a byte regex in order to get proper matching with byte cmdline Fixes: #1526455
Approved by: PS Jenkins bot, Barry Warsaw, Sebastien Bacher

GnomeKeyGrabber: refcount the actions and remove them only when nobody needs

There might be multiple customers for an action (i.e. a menu entry and a dbus customer)
so we can't remove them in this case without ref-counting. Fixes: #1525308
Approved by: PS Jenkins bot, Andrea Azzarone

a11y: don't spam the log with warnings when a quicklist is opened

React silently when trying to get accessible elements from null views.
Approved by: PS Jenkins bot, Andrea Azzarone

a11y: move accessibility stuff to its own directory, adding a private lib for building
Approved by: Andrea Azzarone

LayoutSystem: add ComputeDecorationHeight method to LayoutWindow

Use this only for SwitcherView, while we don't need this trick when using
these windows for generating the spread grid. Fixes: #1526386
Approved by: PS Jenkins bot, Andrea Azzarone

SwitcherModel: don't reiterate over windows all the time, keep a list and update it

Windows are computed just once, unless the window count for the selected icon
changes. DetailXids is now returning something only if detail is enabled.

When the active app windows changed, we can update the detail xids. Fixes: #1526434
Approved by: Andrea Azzarone

TextInput: reduce opacity to warning if only num_lock is enabled
Approved by: PS Jenkins bot, Andrea Azzarone

CompizShortcutModeller: show menus keybinding can be read from settings
Approved by: PS Jenkins bot, Andrea Azzarone

PanelMenuView: ensure that the maximized window is computed when setting the monitor Fixes: #1526835
Approved by: PS Jenkins bot, Andrea Azzarone

Releasing 7.4.0+16.04.20151218-0ubuntu1

Merge with trunk.