Fixed css path so it links correctly
Merge pull request #88 from CartoDB/lesson3CssFix

Fixed css path so it links correctly
First draft
Removed unneeded vars
Updated
Kicked the can down the road
Initial commit
Revised info
Finished first sections
Finished WHERE section
Revised all but last two sections
Added more to PostGIS section
First draft of postgis section
Cleaned up grammar
Updated images
Resized to 700px wide
Fixed grammar, disambiguated explanations
Removed project, putting into future lesson
Added map instead of screenshot, cleaned up text
Updates