Formats all .scala files according to `scalafmt`'s (opinionated) style. 
Adds Travis checks for correctly formatted code.

- Refactoring the invoker for better encapsulation and separation of concerns in its packages.
- Removing Dispatcher.
- Remove unused properties from the deployment manifests.
- Add error handling for terminal failures

* Add documentation for docker for mac (#1431)
* Replace akka-http client to play-ws client (temporarily)
* Introduce docker-machine environment

* Experimental branch for 2079, uses ibm swift ubuntu image for 3.1

* Fixes issue #2079, add Swift 3.1.1 runtime kind, update Swift dependencies for Watson SDK, KituraNet, SwiftyJson

* add apache license

* Fix swift311 location and catch docker brake

The location of the swift binary for 311 is now in /usr/bin/swift
Need to catch docker errors when building by usig && instead of ;

* new zip for new swift311 runtime

Also fixes bad redirect in build script.

Also, change working directory for Python actions to allow relative path access to file system.

Re-enable build swift/python containers (for tests to run).
Add unicode unit test for swift action container.
Allow for reinit with swift for use with invoke.py.
Fix unicode regression for swift actions.
Refactor unicode tests to add coverage - now also for base action container.
Set string encoding to utf-8 for swift action proxy.
Rewrite result extraction to avoid splitting and printing logs one line at a time.
Skip decoding when process output is a string; already utf-8.

Consolidate base64 encoding in CLI; remove Jar field in exec.

Update tests to work in both Python 2 and Python 3.
Rename pythonaction to python3action for container image name for clarity.
Add tests for python:2 and python:3.
Add image names for all the actions. Rename javaaction to java8action for consistency.

- Remove unused dependencies
- Define dependencies as compile time to be able to include them from other projects
- Standardize layout

* Bumping restassured version

* Update gitignore to include .cache-tests