Implemented "allocate" function, as described by Martin Fowler

[renatoargh]

Hi @demchenkoe,

This pull request adds the feature of allocation. It is basically a way to "divide" money without loosing cents, and it is described by Martin Fowler in his book "Patterns of Enterprise Application Architecture" and here.

An example of how it works:

Basic Functionality

var amountDue = new Money(100),
    payments = amountDue.allocate(3); 

//payments is now an array whose sum equals to 100 USD
payments.forEach(function(payment) {
    //will print; $33.33, then $33.33, then $33.34 
    console.log(payment.format()); 
});

Applying different ratios

var amountDue = new Money(123),
    //this means three payments of 25%, 50% and 25%
    payments = amountDue.allocate([1, 2, 1]); 

//payments is now an array whose sum equals to 123 USD
payments.forEach(function(payment) {
    //will print; $30.75, then $61.50, then $30.75 
    console.log(payment.format()); 
});

Also I have added my name as contributor at package.json and have bumped the version to v0.0.2 in case you find this cool enough to merge.

Thank you for the cool module!

[renatoargh]

Ignoring eclipse IDE project files