port REEF suspend/resume demo to the new Wake API (not tested yet)
cosmetic cjde changes in suspend example
indentation fixed
refactoring suspend/resume demo driver
clean-up imports in suspend/resume example
Merge pull request #848 from Microsoft-CISL/sergiym_suspend

refactor suspend/resume demo
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into reef_webhcat