adding numeric dependencies (in preparation for charts), modifying chart-api suffix for single fields
Charts, as prototyped in c2-histograms so far
adding the chart label external to the table
Don't chart everything; only submission_time to start with
Added na-handling to make chart + an end-note about total # of submissions and total # of NAs. fixes #359
adding dataset-id/chart/field_name, which returns a chart
Merge branch 'master' of github.com:onaio/zebra into charts_v0
Template changes to show submission graph within new design; New Chart dropdown is filler at the moment.
adding form get as well as form flattening functions
Filling in New Chart dropdown with real question labels and names
RR: fix failing chart test
RR: remove extra space
Merge pull request #370 from onaio/charts_v0

Charts v0