[Runtime] Add user href attribute check in widget element handler.

When parsing a widget config.xml file, runtime should make sure the author href
attribute is a valid URI, as it's required in W3C Widget spec. This patch will
fix this.

BUG=XWALK-2995
DEPS.xwalk: Roll v8-crosswalk (825a59c -> 05d1cf4)

05d1cf4 Merge pull request #68 from t25kim/develop
f05733c Fix syntax error to solve build failure
748da85 Merge pull request #67 from rakuco/fix-line-endings
b6cb3b2 XDK: Convert line endings from DOS to Unix.
[TIZEN] Runtime has no chance to get remote debug flag

The first created Runtime has no chance to notify its application
(observer) to update its remote debug flag.

BUG=https://crosswalk-project.org/jira/browse/XWALK-3080
Merge pull request #2688 from wuyuehang/XWALK-3080

[TIZEN] Runtime has no chance to get remote debug flag
Bump version to 11.39.260.0
Merge pull request #2691 from huningxin/roll_v8

DEPS.xwalk: Roll v8-crosswalk (825a59c -> 05d1cf4)
[Tizen]Fix typos.
Correct some typos.

BUG=XWALK-3084
Merge pull request #2692 from rookiejava/trunk

[Tizen]Fix typos.
Unexpected crash when run/debug xwalkdriver unit tests

Add code to check the conditions of empty App icon. Since the runtime::app_icon() will
return an empty icon for Android non-host-application.

BUG=https://crosswalk-project.org/jira/browse/XWALK-2914
Merge pull request #2636 from iKevinHan/devtools_cause_crash_android

[Android] Fix devtools favicon will cause crash.
Merge pull request #2639 from takethathe/XWALK-2995

[Runtime] Add author href attribute check in widget element handler.
Bump version to 11.39.261.0
[Tizen] Enable/Disable the shared process mode at runtime.

The shared process mode has been enabled by default, which makes
debugging very hard so we need to enable/disable it at runtime.

This patch allows to add a new command line option
(--disable-shared-process-mode) for disabling the shared process
mode at runtime.

Bug=XWALK-2987
[Application] Add the check for return value of Begin().

This patch is to check the return value of Begin().

CID=194012
CID=194029

Related to XWALK-2928
Fix unit tests for csp handler

This patch is changing the way in which manifest
and application objects are created.
All below tests now pass:
 - CSPHandlerTest.WGTCSP
 - CSPHandlerTest.WGTEmptyCSP
Roll Chromium to 39.0.2171.71.

Move to the latest stable release with some delay. No big changes.
[Android] Use the same UserAgent for URLRequest when connection via websocket

Applying upstream commit 145b29d in content shell to crosswalk.

BUG=https://crosswalk-project.org/jira/browse/XWALK-3073
Merge pull request #2708 from wang16/ws_user_agent

[Android] Use the same UserAgent for URLRequest when connection via webs...
Merge pull request #2704 from aszafranek/CspHandlerTestFix

Fix unit tests for csp handler
[Android] Update the Crosswalk logo.

This patch is to update the crosswalk logo with new pictures.

BUG=XWALK-2856