Upgrade Dependencies (watson-developer-cloud#222)

* fix(deps): address vulnerabilities

fix(params): Update dependencies, support character_insertion_bias we…

…bsocket param

Authored-by: Bob Fang <[email protected]>

Merge pull request watson-developer-cloud#204 from bobfang/update-deps

update dependencies, fix test case

feat(recognize-stream): add new websocket parameters

fix(package.json): update dependencies to fix vulnerabilities (watson…

…-developer-cloud#183)

fix(urls): update deprecated watsonplatform.net urls

fix watson-developer-cloud#181

fix: update dependencies (watson-developer-cloud#168)

fix: Add image

fix: Update npmignore

Merge pull request watson-developer-cloud#153 from watson-developer-c…

…loud/media-stream

fix: Update camelCase parameter and fix bug in TTS