Merge pull request #3 from koxon/master

updates
Update README.md
Merge pull request #4 from koxon/master

fixes
remove env variables check to allow EC2 roles usage

Signed-off-by: koxon <nmenciere@sportarchive.tv>
update REGION variable
Merge branch 'master' of https://github.com/koxon/CloudTranscodeComSDK