message: updated readme for 2.5.0
diff: @@ -203,6 +203,8 @@ Feel free to send PRs on any of these issues.
  - [ ] ESLint rule complaint
  - [ ] Update code to use modern ES6 syntax and style
  - [x] Remove log4js
  +- [x] Remove xml2js dependency
  +- [x] Remove console.log
  - [ ] Throw exceptions with good messaging
  - [ ] Remove lodash
  - [ ] More unit tests
  @@ -210,6 +212,12 @@ Feel free to send PRs on any of these issues.
  ## Release Change Log
  +* 2.5.0
  + - Merged [PR#65](https://github.com/XeroAPI/xero-node/pull/65) - Removed xml2js and instead use only application/json as a content-type.
  + - Refactored e2e tests to be modular and easier to maintain
  + - Fixed various linting and code styling issues
  + - Updated extend.js to latest version of Backbone
  + - Updated Date variables in all schemas to be Date Objects instead of strings.
  * 2.4.0
  - Merged [PR#64](https://github.com/XeroAPI/xero-node/pull/64) - Updated accountingtests.js to pass ESlint rules.
  - Merged [PR#63](https://github.com/XeroAPI/xero-node/pull/63) - Add style guide and ESlint check.
  