add r-cookbook examples to visual test suite
rm unnecessary imports
hardcode random distributions for tests
fix hardcoded random distributions
fix lengths of distributions
rm commas n quotes from filenames; fix distribution tests
rm spaces from filenames for travis test compliance
shorten filenames with directory structure for travis compliance
Use double quotes, not single quotes (see our Style Guide)
Merge branch 'master' of github.com:ropensci/plotly into add-r-cookbook-tests
Ran script run_tests_with_outputs.R on this branch from now on
Ran tests/cookbook-test-suite/bars_and_lines.R manually
Ran manually bars_and_lines after fix on pending PR
Sync up with branch marianne-geom-vline
Move broken test to end of script so that all the rest executes
Run tests with outputs for branch marianne-geom-vline
Run tests with outputs for branch pd-line-styles-and-width
Run tests with outputs for branch pd-line-styles-and-width 2
Run tests from branch marianne-let-bargap
Run tests with outputs for branch pd-line-styles-and-width 3