Support Meteor 2.3

[yurtsiv]

Hi! Would be nice to make this package work with Meteor 2.3.
Currently, there's an error

=> Errors prevented startup:                  
   
   While selecting package versions:
   error: Conflict: Constraint accounts-password@1.3.3 is not satisfied by accounts-password 2.0.1.
   Constraints on package "accounts-password":
   * accounts-password@2.0.0 <- top level
   * accounts-password@~2.0.0 <- top level
   * accounts-password@1.3.3 <- nimble:restivus 0.8.12

This package doesn't seem to be affected by any of the breaking changes and all of the internal functions like Accounts._hashLoginToken or Accounts._checkPassword seem to be still there.
I'll create a PR soon.

[niklasdahlheimer]

Looks like this repo is no longer actively maintained, no commits since 2017.
I switched to the fork https://github.com/maka-io/maka-rest
It's compatible with Meteor 2.3 and it's also available as atmosphere-package unter https://atmospherejs.com/maka/rest.