updated grapher to the version that fixes the tile missing bug for high levels of zoom on localDisplay data
added missing files
Merge branch 'development' of github.com:fluxtream/fluxtream-app into development
using flickr thumbnails whenever possible
fixed fitbit sleep start- and end- time extraction - now uses UTC
fixed fitbit sleep start- and end- time extraction - now uses UTC
cleanup
more cleanup
delete sleep facets from timeseries import with 0 start values
remove 'empty' nights and showing timeseries-imported weighings at noon