Refactoring inventory implementation (mchekin#58)

* Converting isEquipped to Status and adding ItemPrice to Item.

* Moving Inventory from Character to Equipment module.

* Fixing ItemServiceTest

* Moving equipItem, unEquipItem addItemToInventory to InventoryService

* Refactoring Equipment management

- adding intermediate inventory_item pivot table.
- adding Inventory-aware InventoryItem domain object.

* Adding barryvdh/laravel-debugbar Debug Bar.

Fixing expectations on ItemServiceTest.

Refactoring id management to objects (mchekin#57)

* Using Repository::nextIdentity() and BattleId in Battle generation.

* Using Repository::nextIdentity() and CharacterId for handling character id.

* Using Repository::nextIdentity(), ItemId and ItemPrototypeId for handling Item and ItemPrototype.

* Using Repository::nextIdentity(), ImageId for handling Image + fixing ItemId and ItemPrototypeId handling.

* Using Repository::nextIdentity(), MessageId for handling Messages.

* Using Repository::nextIdentity() during Seeding.

* Using Repository::nextIdentity() for Location id generation.

Fixing the Statistics class.

Moving both entities and value objects under Domain. (mchekin#56)

Refactoring Modules structure (mchekin#55)

Removing Voyager migrations. (mchekin#53)

Fixing Message box character limit counter. (mchekin#52)

Reads directly with Eloquent (mchekin#51)

* No Domain reads: Character display through Eloquent.

* No Domain reads: Using Eloquent model for Character read operations.

* No Domain reads: Removing ContainsModel trait.

* Refactoring battle turn creation.

# Conflicts:
#	app/Modules/Battle/Domain/Entities/BattleRound.php

* Refactoring Battle generation.

# Conflicts:
#	app/Modules/Battle/Domain/Entities/Battle.php

* Refactoring Battle generation.

# Conflicts:
#	app/Modules/Battle/Domain/Entities/Battle.php

Fixing Application name display. (mchekin#50)