Map widget: make all connections that might suffer from multiple connect logic issues unique, found by Nyaruko

This way OS X correctly positioned menu items

This allows you to filter the list of parameters the widget displays.

This allows you to determine if full parameter list is ready if you
missed the parameterListUpToDate signal.

Also fixed bug in loadStyle

Prepping for stable 2.2 release

The dark css is the master and contains all style information. The
light css is the slave and only contains color information.

This allows you to filter the list of parameters the widget displays.

This allows you to determine if full parameter list is ready if you
missed the parameterListUpToDate signal.

Handy for testing without a real board

This removes double emit of signals.

This api doesn’t make any sense given the fact that LinkInterface
signals bytesReceived with the bytes in the signal. Also the reason why
it is never called!