The device configuration widget is now the only place the user
ever has to specify ports.

Only tested on Linux, #ifdef'ed for now.

Reviewed-by: Tobias Hunger

 * Add a DeployConfiguration class to hold settings related
   to deployment.
 * Add BuildStepsList to hold a list of buildsteps
 * Update BuildConfiguration to use BuildStepLists instead of
   manageing lists of buildsteps itself.
 * Update BuildManager to use BuildStepLists in its interfaces
 * Fix fallout introduced by API changes
 * Update .user file to new way of storing settings

Task-number: QTCREATORBUG-1427
Task-number: QTCREATORBUG-1428
Task-number: QTCREATORBUG-1811
Task-number: QTCREATORBUG-1930

 * Add buildstep to handle the deployment
 * Remove deployment code from the runconfiguration
 * Update .user files to add new deployment step into existing setups

Reviewed-by: Tobias Hunger

This is necessary in case there is no run configuration (e.g. for
library projects).

This changes the colors to be a mix of red/blue and the foreground
color. If the regular text color is either of those, well...

... because the files are installed even when packaging is disabled.

Reviewed-by: kh1

This is important for the "canceled" case and doesn't hurt otherwise.

Reviewed-by: kh1

Doesn't do anything yet.