curl build config in wp8 emulator
Merge pull request #4921 from koowolf/curl

curl build config in wp8 emulator
removed winsock2.h and restored timeval struct to fix broken winrt builds
removed libcurl from wp8. Fixed missing CocoStudio GUI files and tests
Merge pull request #4935 from MSOpenTech/wp8-remove-curl

Removed CURL from WP8 project. Fixed CocoStudio changes that broke all WP8 and WinRT builds
[ci skip]