Update change log and spec for wrt-plugins-tizen_0.4.26

Update change log and spec for wrt-plugins-tizen_0.4.26

[model] REDWOOD
[binary_type] PDA
[customer] OPEN

[Issue#] N/A
[Problem] only file path is allowed to install
[Cause] N/A
[Solution] allow file uri path

[Issue#] SQL insert/update protocol change.
[Problem] N/A
[Cause] N/A
[Solution] Implementation.

[Issue#] N/A
[Problem] JS isinstanceof test failed for Messaging module.
[Cause] No use of constructor definition in class map.
[Solution] Use the constructor definition in class map.

[Issue] N/A
[Problem] MessageFolder get type attribute bug fix
[Cause] MessageFolder get type attribute bug fix
[Solution] MessageFolder get type attribute bug fix

[Issue] N/A
[Problem] N/A
[Cause] N/A
[Soution] updated the function for the valid person id.

[team] WebAPI
[request] N/A
[horizontal_expansion] N/A