Added a new example: customsearch.js
forgot line end
fixed deletion of a key from an object passed by reference

Request.buildUri() was mangling the param object, which is passed by
reference from application code.  Duplicated the params object before
mangling to solve the problem.
Merge pull request #125 from Malharhak/master

Added a new example for the Custom Search Engine
Releasing 0.6.0.
Merge pull request #134 from jsenick/fix-params-deletion

fixed deletion of a key from an object passed by reference
Releasing 0.6.1.
Merge branch 'master' of https://github.com/google/google-api-nodejs-client

* 'master' of https://github.com/google/google-api-nodejs-client:
  Releasing 0.6.1.
  Releasing 0.6.0.
  fixed deletion of a key from an object passed by reference
  forgot line end
  Added a new example: customsearch.js