fixed headers and some minor issues
updated introduction
some reformatting and minor fixes
added new data (Portland extract)
fixed table name
Minor edits to the GeoServer chapter
better sample coordinates
Merge branch 'foss4g2014' of github.com:pgRouting/workshop into foss4g2014
Update the ol3-routing pages
Use the correct GeoServer WMS URL
Edits to the ol3_client chapter
Minor changes to the ol3-routing examples
Use the latest ol3 version
Add Éric Lemoine as a workshop author
increased release number, updated names on PDF, fixed bug
fixed Apache web root path
reviewed chapters 1-8 on OSGeo Live and fixed small issues
reviewed chapters 9-10 on OSGeo Live and fixed small issues