Update change log and spec for wrt-plugins-tizen_0.2.71

Update change log and spec for wrt-plugins-tizen_0.2.71

Changed Modules : Messaging, Calendar, Notification, Download,
                  Contact, Filesystem and Application

[Version] 0.2.71
[Project] GT-I8800, Public
[Title] SEL Verification
[Team] WebAPI
[BinType] PDA
[Customer] Open

[Issue#] N/A
[Problem] Messaging - Crash on sending sms
[Cause] check exception on sending sms
[Solution] check exception on sending sms

[Issue#] N/A
[Problem] Systeminfo - SLP Flaw logger issues
[Cause] this code causes SLP Flaw Logger issue
[Solution] remove code

[Issue#] TC fail due to platform bug.
[Problem] TC fail due to platform bug.
[Cause] platform returns abnormal pointer address to web api.
[Solution] test file addition to prevent tc fail.

[Issue#] N/A
[Problem] N/A
[Cause] Callback timing issue between pause and resume.
[Solution] Use aysnc callback handler in TC.

[Issue#] WEB-1652 WEB-1653
[Problem] Contact - TC failed and new contact could not been saved
[Cause] new contacts-service API has not been applied totally.
[Solution] Applied new contacts-service API and DB schema

[Issue#] WEB-1701
[Problem] Application TC Failed
[Cause] App ID policy has been changed
[Solution] Applied it to TC

[SCMRequest] N/A