[NetworkBearerSelection] Use new C++ wrapper in common/extension.h

ExtensionAdapater should be deperacated by common::Extension and
common::Instance.
[jslint]: Ignore all jquery* scripts from coding style check.
Merge pull request #324 from halton/network_refac

[NetworkBearerSelection] Use new C++ wrapper in common/extension.h
Merge pull request #331 from avalluri/jslint-fix

[jslint]: Ignore all jquery* scripts from coding style check.
Make the notification extension compliant with tct-notification-tizen-tests

BUG=XWALK-1416
Bump version to 0.67
Remove deperacated wrapper ExtensionAdapter
Merge pull request #326 from halton/clean

Remove deperacated wrapper ExtensionAdapter
Merge pull request #327 from eurogiciel-oss/XWALK-1416

Make the notification extension compliant with tct-notification-tizen-tests
[AudioSystem][IVI]: Implementation of Tizen Audio System/Control API.

This commit implements proposed Tizen System Volume API on xwalk:
  https://wiki.tizen.org/wiki/User:Tanuk/AudioSystemAPI
This commit also includes a demo application that demonstrates the
usage of the api.

This enables to write volume control/settings/mixer type of web applications
using xwalk.

BUG=XWALK-1330