Added simple OAuth client support as a mixin
Now using SecureRandom.hex to generate OAuth nonce
Using CGI.escape to percent_encode OAuth headers
fix the dns prereq test; no more false positives
Merge pull request #1151 from sosiouxme/diagnostics

Merged by openshift-bot
Merge pull request #1144 from fabianofranz/dev/ffranz/twitter1.1

Merged by openshift-bot