Improvements

[MFlisar]

I made following changes:

• build tools update
• fixed readme
• allow to use custom menu inflater implementation + inflation listener => allows to edit (add/remove/enable/disable) inflated items

Only last point needs explanations. I need to dynamically remove/disable items from an inflated menu, so I needed a listener for it. This is probably useful for others as well. Additionally I use Iconics in my projects and I've written a custom menu inflator for this library, my changes allow to use any menu inflater implementation.

[Kennyc1012]

I rather not expose menu inflating outside of the library, is the solution in #9 not sufficient? You can supply your own instance of a Menu to the build, which you can inflate yourself.

[MFlisar]

You're right, this works as well (did not see this though).

I would still prefer the builder to support this, as I could use builder like chaining like this, but it's ok for me this way as well.