Update change log and spec for wrt-plugins-tizen_0.4.47

Update change log and spec for wrt-plugins-tizen_0.4.47

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

[Issue#] N/A
[Problem] Calendar thread not generated when plugins is preloaded.
[Cause] Thread initialized when dlopen is called before wrt-launchpad forking.
[Solution] Defer calendar object initialzation until it's necessary.

[Issue#] DCM-954, DCM-829, DCM-1285, DCM-1150, DCM-1146
[Problem] N/A
[Solution] N/A

[Issue#] N/A
[Problem] When same objects are inserted by batchOperation, id is not correct
[Cause] Same object has same memory address
[Solution] add code to check duplicate

[Issue#] N/A
[Problem] N/A
[Cause] N/A
[Solution] enable ACE check for getAppMetaDATa() because policy file is updated for this api.

[Issue] N_SE-41122
[Problem] abnormal behavior when handling filename has blank at the end.
[Cause] trim codes removed space of filename.
[Solution] remove trim code.

[Issue] N/A
[Problem] email from bug fix
[Cause] email from bug fix
[Solution] email from bug fix

[Issue] N/A
[Problem] appcontrol only permits 128 continuous app launch.
[Cause] appcontrol design limitation.
[Solution] implementation own queue.

[Issue] N/A
[Problem] LED color must save lowercase.
[Cause] lowercase is default policy.
[Solution] use boost::to_lowercase_string function.

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

Change-Id: I58e0925588d3ecad79fe4961dc361ffb2b17cd07