Starting with version 4.8 gcc complains about attempts to pass these
protected methods to NODE_SET_PROTOTYPE_METHOD as the callback.

Conflicts:
	test/fts-content.test.js
	test/scheduling.test.js

fix scheduling.test.js against variable sqlite3 versions - closes #122 (thanks @tomhughes for initial patch)

fix the fts test added in 42aa8c88, which was not valid for expresso and must never have worked (just hung)

Updated for libuv changes in node 0.10

Updated to sqlite 3.7.13

Add note about installing node-gyp.

Use the new uv_ref()/uv_unref() API for node >= v0.7.9, and remove a couple
unnecessary instances of uv_ref()/uv_unref() where only uv_queue_work() was
being used.

Conflicts:
	package.json

This reverts commit f82a33f7.

This reverts commit 2b911758.

So that npm doesn't try to automatically compile and use it on an
`npm install` of the tarball.