Supress warning for Array.compare

Change-Id: I60847b035baab185ca93071f8953e4e1fb521319

Allow native classes implement native interfaces with overlays.

Native classes implementing interfaces with overlays triggerred a compiler
error due to the fact that overlays in native intefaces are "default"
methods and that the strategy of implementing them consists in creating
the corresponding synthetic override in classes that don't explicitly
implement the method.

Bug: gwtproject#9440
Bug-Link: gwtproject#9440
Change-Id: I30a100c4d83f13df61fed57a54afb3b25a153250

Allow annotations to be retrieved from binding.

In this patch refactors the annotation access code in JdtUtil and
fixes the issue of retrieving @UnusedCast from a method call
binding.

Change-Id: I2f18a6235b59d96966d20e9e082b5feccc6499e5

Fix incorrect unusable-by-js warning.

@JsFunction interfaces were not completely loaded by UnifyAst
if the functional method was never called. This fact caused that
the interface was not considered as implementable externally, which
in turn confused restriction checker ending in a spurious warning.

Bug: gwtproject#9376
Bug-Link: gwtproject#9376
Change-Id: I92870fde72ab864bc42db8355e283ef3fe17d2ca

Update MobileWebApp sample with Objectify 5.1.13 (from 3.0)

Also update AppEngine SDK to latest version (1.9.40)

Change-Id: If928499d0e18e8112ab61d1a120d9540d9fed451

Adds native JsType tests for defenders.

Change-Id: I141ab0ccdf094a936461b070c99a0e1e85e95da7

Log and skip init of synthetic keyboard events for IE11

We don't have a solution synthetic keyboard events in IE11
so this patch changes it to skip the initialization and log
the issue instead of throwing an exception.

Bug: issue 8463
Change-Id: I8230e542c7a6ec74418d62f6c4b3aadf41de59e1
Review-Link: https://gwt-review.googlesource.com/#/c/10202/
(cherry picked from commit d25051f)

Merge codeserver jar into gwt-dev

Change-Id: Iaef14e17716e0f4784a466361db13930f887c996
(cherry picked from commit 77ed7bb)

fix build.

Bundle closure-stylesheet-rebased.jar into gwt-dev.jar

Change-Id: Ifc2fe199ac2f5f481bf621ac29c6f93cb08a38d7

Set no-cache headers for nearly all Super Dev Mode pages

This is necessary for IE9 and IE10 (at least).

Change-Id: Ib8ca44580349666079b1c461c55a7c1bd331b8ed