Merge pull request #2 from TheCaveCz/feature/savingDevices Feature: Saving Devices

[App] Destructive Remove Device option

[App] Saving devices from table cell action

[App] Deleting saved devices from detail controller

[App] Selecting Saved Device

[App] Saving Devices

Merge pull request #1 from TheCaveCz/feature/sending-commands-to-device Feature: Sending Commands to device

[App] Added Refresh devices

[App] Searching lamps activity indicator

[App] Cleanup