Update README.md

Fix syntax highlighting
Update README.md

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Update README.md
Fix readme link. Thanks for Robert Pollack for reporting it.
Merge branch 'master' of github.com:ojwoodford/export_fig
Make all functions end with end, on suggestion of Dani Schmid. Thanks!
Make crop_borders a separate function
Enable anti-aliasing if line smoothing is off
Replace sharp miter joins with round joins
Fix a bug reported by Andrea Alberti (thanks!)
Fix a problem with log axes reported by Steven Darth (thanks!)
Allow fix_lines to work directly on the file contents
Load the eps once and do the post-processing on the string
Add a bounding box padding option (finally!)
Improve finding black & white text and lines.
Fixes #24 - a bug with R2014b (thanks to merrickbrian for reporting it).