Allow version text to be selected

Add Qt::TextSelectableByMouse to text interaction flags.

Change-Id: I66b649f0943348795514762fb7fd1c634020309b
Correct about dialog URL order

Change-Id: I8b0aafebaf22538f75c21d5acd998cbba98b7cb6
Merge topic 'selectable-version' into master

11ec105d Correct about dialog URL order
ea9879f3 Allow version text to be selected