Bumped develop version
Update README.md
When --ucert is given, use it for key too if needed
Cli: Send warnings and debug to stderr
Cli: Negative retry is a legit value
Missing initialization of checksum
Cli: Was overriding the checksum with the cli parameters on bulk submission
Update api-examples.md
FTS-74: Fixed RFC proxy recognition
FTS-74: Added support for RFC proxies
Generate xml logs of the nosetests
Removed logger from the context
FTS-75: Working on dirac bindings
FTS-75: Updated documentation
FTS-75: Delegate on submission on the Dirac bindings
FTS-76: Added FailedDependency NeedDelegation and TryAgain exceptions
FTS-75: Renamed dirac bindings as 'easy'