Copy the-graph themes into root

Workaround for bower/polymer not resolving the relative
style imports in the-graph.html. No idea why it happens
CHANGES: update
Bump version
Include themes/*.css in release bundle
meta name="theme-color" #398
login scope fixes #395 regression from #386
no sauce
v 0.5.2
Revert "no sauce"

This reverts commit b97eadbed066bfaf3ce34efb8d89e9ce5bc0b4be.
Do not affect current location.
Configure provider in Gruntfile