Node.js util.inspect must return a string

As explained here:

http://nodejs.org/api/util.html#util_util_inspect_object_options

util.inspect return a string
Update angular.d.ts

ILocationService.search() will return a hash of the query parameters in the current location, not a string.
Merge pull request #968 from benjaminjackman/patch-1

Update angular.d.ts
Merge pull request #967 from damianog/patch-3

Node.js util.inspect must return a string