Convert geom_hline the same way geom_abline is handled
Add outputs for geom_hline
Add outputs from an earlier test/implementation
Merge pull request #122 from ropensci/marianne-geom-hline

Implement conversion for geom_hline
R API: Change SSLv3 to TSLv1
Merge pull request #123 from ropensci/pd-ssl-to-tls

R API: Change SSLv3 to TLSv1
Merge branch 'master' of https://github.com/ropensci/plotly into pd-ggplot-default-axis
Generated outputs