Add an Analytics reporting system.

Fully opt-in, reports to analytics.dolphin-emu.org over SSL. Collects system
information and settings at Dolphin start time and game start time.

UI not implemented yet, so users are required to opt in through config editing.

Source/Core/Common/CMakeLists.txt

@@ -1,4 +1,5 @@
-set(SRCS BreakPoints.cpp
+set(SRCS Analytics.cpp
+         BreakPoints.cpp
          CDUtils.cpp
          ColorUtil.cpp
          ENetUtil.cpp
@@ -42,7 +43,7 @@ else()
 	         Logging/ConsoleListenerNix.cpp)
 endif()
 
-list(APPEND LIBS enet)
+list(APPEND LIBS enet ${CURL_LIBRARIES})
 if(_M_ARM_64)
 	set(SRCS ${SRCS}
 	         Arm64Emitter.cpp