Merge pull request #17 from akashsinghal/master

Adding sample yaml files for mounting secrets as file. One of these is referenced in other documentation.

Merge pull request #16 from northtyphoon/bindu/update-readme

update readme

Merge pull request #15 from northtyphoon/master

add a sample to show single-step vs multi-step build

Merge pull request #14 from Azure-Samples/revert-13-revert-10-master

Revert "Revert "update task version to 1.1.0""

Merge pull request #13 from Azure-Samples/revert-10-master

Revert "update task version to 1.1.0"

Update README.md