remove mention of MIT license in README
outdated: only test 'from' for urls

If the 'from' value is not a url, then the fact that it changes is not
relevant.  For example 'foo@*' and 'foo@1' and 'foo@' might all point to
the same package.  However, a changed url IS relevant, because it
indicates that it is now a different thing.

Fixes #3798, a regression caused by #3578.
v1.3.9
prune: check package.json before running

Fixes #3755.
prune: --production option to unbuild devDependencies

Closes #2854.
read-package-json@1.1.3

Brings along normalize-package-data@0.2.2, which closes #3783.
add failing test, depends on npm-registry-mock 0.3.0

test for #3823
update/outdated: don't access missing package info

avoid null dereferences checking the status of a currently installed
package

Fixes #3820, a regression caused by #3798 and #3578
v1.3.10
graceful-fs@2.0.1
slide@1.1.5
read-installed@0.2.4
inherits@2.0.1
inherits-fixup
lockfile@0.4.2
npmconf@0.1.3
sha@1.2.3
node-gyp@0.10.10
lru-cache@2.3.1
request@2.27.0