Include OkHttp into libs from now:
Added a request class to hold methods ad headers
Added a new asynchttprequest for use OkHttp instead of apache client
Added AsyncHttpResponseHandler into a new package for organization and use OkHttpClient instead of apache client
Create a new AsyncHttpClient. Instead of use Apache client use OkHttp and best naming to avoid conflicts with AsyncHttpClient.
Utilitaries class for decode responses
New RequestParams class to generate params as a String instead of BasicNameValuePair
Use a Request to hold requests properties