Merge pull request #82 from bentona/master

Duplicate objects in GoogleApis.toBeDiscovered
Fix cache expiry logic.
Don't set the newly acquired tokens to OAuth2Client if the refresh response is not valid.
Release 0.4.4.
Merge pull request #84 from ohwillie/fix-cache-expiry

Cache#isExpired is always false with default EXPIRES_IN_.
Check access_token.
Merge pull request #85 from rakyll/master

Don't let the invalid token refresh responses to be set as new credentials
client: fix defaultParams handling with no params
Merge branch 'master' of https://github.com/google/google-api-nodejs-client into fix-defaultparams
Merge pull request #86 from proppy/fix-defaultparams

Fix defaultparams
Remove batch samples.
Fixing the request samples that are unauthorized.
BaseRequest should not implement request execution.

rootUrl calculation should be separated for single and batch requests. Adding tests to cover batch request execution.
Release 0.4.5.
Merge pull request #88 from rakyll/batch-fix

BaseRequest should not implement request execute
Adding pointers to issue tracker and SO tag.
Merge branch 'master' of github.com:google/google-api-nodejs-client
Fix SO tag link.
change to make youtube video insertion work
Update requests.js