Readme is outdated

[rohit-gohri]

• It still references old additions that have long been removed, $$emit
  

  vutils/README.md

  Lines 114 to 115 in b673c94

  	Emit global events using `this.$$emit`.
  	You can also listen for global events using `this.$$on(eventName, () => {})`

• No mention of new additions: $bus

[rohit-gohri]

Could also add section on how to use Gql class in gqutils along with handleGraphqlRequest, convertGraphql.