Makefile
Merge pull request #32 from xushiwei/feature/stream

Makefile
fix warning
ln -s -f ../CUnit/CUnit/Sources/.libs/libcunit.so.1 libcunit.so.1
Merge pull request #34 from xushiwei/feature/stream

fix warning
Merge pull request #33 from qiniu/develop

Release v2.2.1 patch