Documents overriding configuration settings with environment variables
Merge pull request #43 from MaxGabriel/documentEnvVarOverride

Documents overriding configuration settings with environment variables
add a separate Import.NoFoundation

This is a very useful pattern to demonstrate
for breaking import cycles.
Merge pull request #47 from yesodweb/Import.NoFoundation-2

add a separate Import.NoFoundation
Merge branch 'postgres' of github.com:yesodweb/yesod-scaffold into postgres
Add a little more info about static files
Merge branch 'postgres' into mysql