tree 2a5fb6a3f016ce8be0cbfd6449837c571349cfeb
parent 0ab90ca75b825db8e2427ea62ea3ee212c9accbb
author Lei YU <mine260309@gmail.com> 1500001657 +0800
committer Lei YU <mine260309@gmail.com> 1503887502 +0800

Add unit tests for utils and refactor Makefiles

1. Add unit tests for utils;
2. Put the common code shared by app and utest into a library, and link the
library to app and utest.
This eliminates the duplicated compiled objects.
3. Update .gitignore

Change-Id: I05ee93c2b23748a1e038eeec3534d49b94911366
Signed-off-by: Lei YU <mine260309@gmail.com>