add maintenance mode handling
add DB check for login and nice fail message
add maintenance clock commands
fix comment word salad
Merge branch 'master' of https://github.com/biocore/qiita into add-maintenance-mode
flake8
fixing error
address comments
Adding processed_data property to preprocessed_data
Merge branch 'another-quick-one' of github.com:antgonza/qiita into add_prep_sample_template
Adding the download links to the otu table
flake8
donwload sample/prep templates
Merge branch 'master' of https://github.com/biocore/qiita into add_prep_sample_template
Merge pull request #666 from squirrelo/add-maintenance-mode

Add maintenance mode
adding patch to generate all prep/sample templates
fix flake8 issues
addressing @wasade and @josenavas comments
Merge pull request #674 from antgonza/add_prep_sample_template

Add prep sample template
Merge pull request #671 from josenavas/download-processed-data

Download processed data