IMC implementation

[nathanschwarz]

• [x] create an abstract interface
• [x] implement IMC calls with the interface
• [x] get all switches
• [x] get all interfaces from specific switch
• [x] implement open / closing port through IMC interface
• [x] merge switches from adapter to DBSwitch model
• [x] merge connections from adapter to DBconnection model
• [x] open / close port from adapter when connection.toggled is updated
• [x] open / close port when port number is modified on the model
• [x] daily check connections to close (with connection.toggleDate)

[nathanschwarz]

fully implemented in commit ec47dd287d2e1de18cf9b9ccba035eb239d0761b