Intoduced a wrapper around Dex, that handles common operations like opening/closing the DB, retrieving the Types, resolving NodeNames, etc. Implemented DexStronglyConnectedComponentsCalculator.java
Named all DEX related classes as "DexAlgorithm" instead of "DEXAlgorithm".
Created DexFriendsOfFriends
Created DexFriendsOfFriends