Moves totalTrainingTime and totalElixerCost functions from Calculator to Controller
Renames all occurences of 'troopGroup' to 'troop' for readability
Renames troops.js to troop.js
Removes periods from PEKKA name because of jQuery error in rendering class name with periods
Modifies Controller.renderAllTroopContainers and View.renderTroopContainer to display troop name
Merge pull request #6 from antoniodangond/refactor

Refactor