* Update docs to use kubectl long flags
* adding back in the --filename flag (lost when manually merged)
* notice a few missed
* notice a few missed '-f' flags
* change -o to --output
* [WIP] Updates to Thumbnailer sample
* More edits
* More edits
* Update README.md
* Removing jq and 'service'
* Removing another 'service'
* Add language about external dependencies
* Rename samples to languge-specific folders
* Remove steren-app and steren-function since they aren't working
* Rename buildpack folders
* Rename buildpack-function