Change defaults in qiita_env to read from config
Remove DFLT_BASE_DATA_DIR in favor of config value
Add SMTP attributes to docstring
Change wording on docstring for smtp_ssl
Merge branch 'master' of https://github.com/biocore/qiita into more_little_fixes
Change behavior of base_data_dir
Merge pull request #309 from adamrp/more_little_fixes

More little fixes