Upgrade Cosmos App to v1.3.0 + adjust tests

[jleni]

• Upgrades to cosmos app v1.3.0

  • https://github.com/ZondaX/ledger-cosmos-app/pull/9 GetAddress command
  • https://github.com/ZondaX/ledger-cosmos-app/pull/8 Indicate if device is locked/screensaver
  • https://github.com/ZondaX/ledger-cosmos-app/pull/7 Changes name to lower case
  • https://github.com/ZondaX/ledger-cosmos-app/pull/6 Support/Escaping Unicode/UTF8 chars

• Updates tests

• Moves from bash to Makefile

Related to #127 #115 #113