use fast-future in iterator.js
iterator speedup: skip creating objects in c++
upgrade to nan@1.3.0
Merge branch '0.11-wip' of github.com:rvagg/node-leveldown into 0.11-wip

Conflicts:
	package.json
Merge branch 'even-faster' of github.com:rvagg/node-leveldown into 0.11-wip

Conflicts:
	package.json
Merge branch '0.11-wip' of github.com:rvagg/node-leveldown into 0.11-wip