Require node >= 0.10
Remove the map functionality
Revert "Add another layer of indirection for fetching posts"

This reverts commit 5fc11b713a863dca60fbb09548b2c1b1df195460.
Revert "Add the same indirection to network"

This reverts commit 58732ef9be247da1f8990a27c0b37cad66e154e6.
Remove onload
Remove keys()