Run roxygenize()
Merge pull request #101 from ropensci/marianne-update-namespace

Run roxygenize() to update plotly's namespace
Use config file info
Make more sense
Run roxygen2::roxygenize()
Make base.url a member of plotly
Let .plotly directory be created if nonexistent
Merge pull request #102 from ropensci/marianne-server

Use config file info
Merge branch 'master' of github.com:ropensci/plotly into marianne-date-factor
Handle error recovery when converting NULL to date(time)