[Speech] Add IVI Speech API support

Adding the synthesizer/vocalizer part for now.
Will add the recognition later.
[Tizen] Add storage listing functionality

This patch adds storage listing and watching functionality to
Tizen filesystem API.
Merge pull request #272 from alexshalamov/add_filesystem_features

[Tizen] Add storage listing functionality
Bump version to 0.43
Add wayland library as explicit package dependency for system-info extension

BUG=https://crosswalk-project.org/jira/browse/XWALK-1381

Signed-off-by: Baptiste DURAND <baptiste.durand@open.eurogiciel.org>
[gyp] Build filesystem for Tizen only
[Tizen] Raise exception when 'mode' parameter is invalid

According to specification, whether mode is invalid, exception
should be raised. If mode is null or undefined, mode defaults to
'rw'.
Merge pull request #281 from alexshalamov/raise_exception_on_invalid_mode

[Tizen] Raise exception when 'mode' parameter is invalid
[download] Throw TypeError when Constructor called as function

BUG=https://crosswalk-project.org/jira/browse/xwalk-959
Bump version to 0.44
Merge pull request #282 from deqing/fix-constructor-throw

[download] Throw TypeError when Constructor called as function
[Tizen] Check if stream was opened with correct mode

This patch adds checks whether stream was opened with correct
mode before read or write operation is performed.
Merge pull request #284 from alexshalamov/check_stream_mode

[Tizen] Check if stream was opened with correct mode
[Tizen] Fix tizen.filesystem.maxPathLength attribute

This patch changes type of tizen.filesystem.maxPathLength to long
and makes it non-writable.
Merge pull request #285 from alexshalamov/fix_maxpathlength_attr

[Tizen] Fix tizen.filesystem.maxPathLength attribute
Bump version to 0.45
Merge pull request #279 from eurogiciel-oss/XWALK-1381

Add wayland library as explicit package dependency for system-info exten...
Merge pull request #280 from halton/master

[gyp] Build filesystem for Tizen only
Bump version to 0.46
Merge pull request #273 from mrunalk/speech_api

[Speech] Add IVI Speech API support