add notes to troubleshooting section relating to PhantomJS crashes under OS X when using TTF fonts with @font-face declarations (see jonleighton/poltergeist#44).
Merge pull request #191 from mjtko/fix/troubleshooting-osx-fontface

Notes for troubleshooting section relating to PhantomJS crashes (#44)
Update README.md

Fix the link to command line options.
Merge pull request #197 from jmazzi/patch-1

Update README.md
:timeout cannot be set to nil