WIP for config files
More generic home finding

Reference: https://stat.ethz.ch/pipermail/r-help/2007-March/128217.html
Implement setter and getter for Plotly credentials
Ran roxygenize() from roxygen2
Edit initialization
Update home finding to be generic
Merge branch 'chriddyp-patch-1' into marianne-plotly-credentials
rm whitespace
get_figure
test getfigure
Change setter to overwrite existing credentials with inputs
Shorten lines to less than 80 characters
Merge pull request #37 from ropensci/marianne-plotly-credentials

Plotly credentials tools
Reindent and fix merge conflicts
Reindent and document
Minor edits
Follow best practices and consistency
Unassign otherwise invisible
Merge pull request #41 from ropensci/chriddyp-GET-requests

Get requests
Implement conversion that works in a simple case