fixed README.md fixes #360

- code sample now uses containerPermissions variable
- added java and xml tags for syntax highlighting
Merge branch 'dev' of https://github.com/WindowsAzure/azure-sdk-for-java into dev

Conflicts:
	README.md

Merging from upstream.
Merge pull request #362 from t-aniba/dev

Issue #360: README.md code sample confusion