Merge pull request #20 from iromli/develop

MAIL_ADMIN in users.config is not exist, use current_app.config instead
Merge pull request #21 from iromli/develop

Fix default favicon URL
pull tmp_dir to config, rename it to log_dir
import config first on __init__.py
Merge pull request #29 from sakti/develop

fix issue #26
Move form error message to its own tag, not in the placeholder attr.
Merge branch 'develop' of git://github.com/id-python/members into develop