Add ch8_tlv sample code and documents

Guo Wenxue

2019-03-27 551ced3cb70a2cc917fa79033bae9c465f4f377c

 ch7_library/test/makefile

@@ -16,5 +16,3 @@
run:
   export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:LIBPATH
   ./${APPNAME}