Minor updates to Plus, YouTube, Drive

git-svn-id: http://google-api-objectivec-client.googlecode.com/svn/trunk@257 052f66bb-8366-e9ed-b056-95094e25c79e
Update Drive API

git-svn-id: http://google-api-objectivec-client.googlecode.com/svn/trunk@258 052f66bb-8366-e9ed-b056-95094e25c79e
Update CalendarSample project

git-svn-id: http://google-api-objectivec-client.googlecode.com/svn/trunk@259 052f66bb-8366-e9ed-b056-95094e25c79e
Update Books, Discovery APIs

git-svn-id: http://google-api-objectivec-client.googlecode.com/svn/trunk@260 052f66bb-8366-e9ed-b056-95094e25c79e
Set ServiceGenerator deployment target to 10.7 to remove SBJSON dependency

git-svn-id: http://google-api-objectivec-client.googlecode.com/svn/trunk@261 052f66bb-8366-e9ed-b056-95094e25c79e
Update Blogger API

git-svn-id: http://google-api-objectivec-client.googlecode.com/svn/trunk@262 052f66bb-8366-e9ed-b056-95094e25c79e
Update YouTube API

git-svn-id: http://google-api-objectivec-client.googlecode.com/svn/trunk@263 052f66bb-8366-e9ed-b056-95094e25c79e
Update YouTube, Calendar

git-svn-id: http://google-api-objectivec-client.googlecode.com/svn/trunk@264 052f66bb-8366-e9ed-b056-95094e25c79e
Update projects and samples for Xcode 4.6

git-svn-id: http://google-api-objectivec-client.googlecode.com/svn/trunk@265 052f66bb-8366-e9ed-b056-95094e25c79e
Add submodules gtm-http-fetcher, gtm-oauth2, json-framework
Merge branch 'master' of github.com:karbonworks/google-api-client