Added ability to fetch media from remote server (using cURL library)

cmake/Modules/FindCURL.cmake

@@ -0,0 +1,17 @@
+# - Find curl
+# Find the native CURL headers and libraries.
+#
+#  CURL_INCLUDE_DIR - where to find curl/curl.h, etc.
+#  CURL_LIBRARY    - List of libraries when using curl.
+#  CURL_FOUND        - True if curl found.
+
+# Look for the header file.
+FIND_PATH(CURL_INCLUDE_DIR NAMES curl/curl.h)
+
+# Look for the library.
+FIND_LIBRARY(CURL_LIBRARY NAMES curl)
+
+# handle the QUIETLY and REQUIRED arguments and set CURL_FOUND to TRUE if
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(CURL DEFAULT_MSG CURL_LIBRARY CURL_INCLUDE_DIR)