support postgres and update manifest, docs according to latest CF v2
add checks for whether the uri or DATABASE_URI exists
add checks for whether DATABASE_URI exsits
Merge remote-tracking branch 'origin/postgres' into postgres
add tmp commit to log process.env.SITE
add tmp commit to log process.env.SITE
add tmp commit to log process.env.SITE
update travis node version to 0.10dfsffsf
remove console log info
Merge pull request #32 from starandtina/postgres

support postgres and update manifest, docs according to latest CF v2