minor formatting
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
remove cfs_value and refresh_time from river model
prepare api service object for model change
add rivertime model
add index to site_code in rivers model
add index to site_code and time in river_times model
reworking api service object to handle time series data
create sanitize service object. move sanitize logic to sanitize service object. refactor api service object to handle time series data.
fix index in migrations
one last fix to migrations
api and service object refactor complete. river time model complete.
add log model. add logging to api and sanitize service objects
Merge pull request #9 from studiostark/master

Time-series data. Create Sanitize service object. Refactor API service object. Create Log model.