Update change log and spec for wrt-plugins-tizen_0.4.66

Update change log and spec for wrt-plugins-tizen_0.4.66

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

[Issue] N/A
[Problem] removeMessages with empty message crash
[Cause] get Message type without check message array length
[Solution] check message array length

[Issue#] redmine #1541
[Problem] problem with filter
[Cause] internal bug
[Solution] modify source code

[DataControl] move common code to DataControlCallback.h, cpp
[DataControl] gathering pending event class.
[DataControl] makes callback & userdata as one common callback & userdata.

[Issue#] PLM P130829-05706
[Problem] callback invocation with unordered req id due to platform bug.
[Cause] there is no work queue to prevent platform bug.
[Solution] work queue implementation.

[Issue#] TTS-1973
[Problem] When listen api is registered callback is not invoked.
[Cause] N/A
[Solution] Modify code.

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

UnitTC passed.