User interface improvements

[qtrandev]

From @qtrandev on May 12, 2015 0:15

Copied from original issue: qtrandev#27

[qtrandev]

From @GiovannaG on May 12, 2015 0:16

[qtrandev]

This is the initial interface. We want to make it better.

[qtrandev]

From @GiovannaG on May 19, 2015 0:0

[qtrandev]

From @GiovannaG on May 19, 2015 0:34

[qtrandev]

From @GiovannaG on May 19, 2015 1:3