wip: enable support for node 0.11
make module compatible with current v8u
drop v8u as it fails with node 0.11
still fails with undefined symbol
Revert "drop v8u as it fails with node 0.11"

This reverts commit 531c39701db13d6361349383698621a9e2c15ede.
switching from v8u to nan
Update README.md
Merge pull request #1 from amitevski/node011

Node011