Split examples CMakeLists.txt

Also, this converts the examples/CMakeLists.txt from explicitly
listing to just globbing for all the individual C files.

examples/CMakeLists.txt

@@ -0,0 +1,14 @@
+FILE(GLOB_RECURSE SRC_EXAMPLE_GIT2 network/*.c network/*.h)
+ADD_EXECUTABLE(cgit2 ${SRC_EXAMPLE_GIT2})
+IF(WIN32 OR ANDROID)
+	TARGET_LINK_LIBRARIES(cgit2 git2)
+ELSE()
+	TARGET_LINK_LIBRARIES(cgit2 git2 pthread)
+ENDIF()
+
+FILE(GLOB SRC_EXAMPLE_APPS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.c)
+FOREACH(src_app ${SRC_EXAMPLE_APPS})
+	STRING(REPLACE ".c" "" app_name ${src_app})
+	ADD_EXECUTABLE(${app_name} ${src_app})
+	TARGET_LINK_LIBRARIES(${app_name} git2)
+ENDFOREACH()