avoid printing out module path; more desc about storage root
v0.6.3
prepare .rst for pypi use:

   * pandoc --from=markdown --to=rst --output=README.rst README.md
release v0.6.5 with .rst formatted readme
Merge branch 'master' into dev
Merge branch 'master' of github.com:fqj1994/snsapi into dev
fix CI. add requests
make test_utils the entry to test tools
add UT for RenrenStatus.update
Merge branch 'master' of github.com:fqj1994/snsapi into dev
update and forward function
Merge remote-tracking branch 'upstream/dev'
add _renren_request_v2_bearer_token