add prototypical interface;
refactored client into own namespace; added tests for core and client;
added image namespace;
added test-machine for v0.9;
refactored image endpoint; added mocked tests and test for 0.9;
covered image namespace with mocked specs;

fixes for client;
fixes in image namespaces;
additional specs for mocked-image;
style fixes: re-arrange args of functions;
refactored json parsing; style fixes;
initialized contained namespace;
additional methods for container;
added additional endpoints for container;
updated docs;
Added attach method;

added attach method over http;
added attach-ws method over websockets;
added experiments wsClient from httpkit.tests;
changed resource folder;
re-arranged container/create arguments;
fixed mocked-container specs;
added response-handler

got rid of repeating  case form;
added documentation for container/copy-file;
added authorization;

added external deps clojure.data.codec for base64;
refactored building of request-map;
changed default :keep-alive value;
updated specs;
added mocked spec for authorized services;
added image/create-from-src to create base images from disk;
updated travis settings; rearranged tests;
removed ws experiments; downgraded http-kit-fake;
additional cleanups;