[CAPI Changed] Enum value names and scan cloud

[CAPI Changed] Enum value names and scan cloud

- enum value changes for csr_wp_ask_user_e, csr_wp_user_response_e,
  csr_cs_ask_user_e, csr_cs_core_usage_e, and csr_cs_user_response_e
- API description changes for csr_cs_malware_list_get_malware and
  some enums in csr-content-screening-types.h
- Parameter(bool) added to scan on cloud option setter API for turning
  on and off the option.

Change-Id: I05672483fda2539b615dcb3db29a27cba703fe8f
Signed-off-by: Dongsun Lee <ds73.lee@samsung.com>