Allowed input of named colors (using chroma.js)
removed theme from demo dataset
ignoring data series by clicking table header
updated version to 1.2.10-beta
made mycharts page searchable
allowed preventing guest access
changelog update
Update messages.po

Better traductions
Merge pull request #21 from blaquans/patch-4

Update messages.po
made links in footer configurable
added stand-alone login page
ignoring custom templates
removed datawrapper home page from repository

define a custom homepage instead using custom_home in config.yaml
added demo dataset
pulling languages from config.yaml
don't use browser language if it is not configured as language
hiding language dropdown if only one language configured
added default home page
added user roles sysadmin and graphic-editor
replaced d3.hsl/d3.lch with chroma.js