Upgrade LIbraries

  * Java 1.8
  * Gson 2.3.1
  * Joda Time 2.6
platform.io draft #1

Read java object as a stream (Iterable<T>) from disk. Supports:
  * Byte (byte)
  * Character (char)
  * String
  * Short (short)
  * Integer (int)
  * Long (long)
  * Float (float)
  * Double (double)
  * Array
  * Enum
  * Generic Object - field reflection
  * Null feilds