Update compatibility macros

git-svn-id: http://gtm-http-fetcher.googlecode.com/svn/trunk@137 b3aa69f0-f65c-a609-0a27-78855af037c1
Add opensScrolledToEnd property to log view

git-svn-id: http://gtm-http-fetcher.googlecode.com/svn/trunk@138 b3aa69f0-f65c-a609-0a27-78855af037c1
Update for Xcode 6; add hardware info to default user-agent; add bodyData property as synonym for postData

git-svn-id: http://gtm-http-fetcher.googlecode.com/svn/trunk@139 b3aa69f0-f65c-a609-0a27-78855af037c1