* Icon is too small compared to design, replace the icon with new
icon that is 36x36 and fix the button size (52x52) and icon size.
* Spacing between media control buttons is smaller than design. Set
fixed spacing in control buttons layout (Default is 80px).
* Add DMPRISControl example in collections.
Log: fix DMPRISControl style conflicts with design
* remove redundant "dtkwidget" in include directory;
* improve cmake, modify some variable names, use file() to collect
source files for scalability;
* add full target_link_libraries support.
Log: add full target_link_libraries support
Influence: all projects who include headers directly by path