client: rename 'myUtils.url_base64_decode'
server: rename 'authInterceptor'
server: prevent shadowing of 'utils'
client.authBearerInterceptor: add console log and comments
client: replace 'myUtils.decodeBase64url' with lib 'Base64'

bower package name: js-base64
repository: https://github.com/dankogai/js-base64
client: clear username and password after authentication
client: replace all the JWT stuff with lib 'angular-jwt'