Updated used dependencies:

- added JIDE docking 3.5.8 (will replace MyDoggy);
- removed obsolete libraries (MyDoggy and PJC 0.0.16).
Replaced MyDoggy with JIDE Docking:

- replaced all MyDoggy specific code with JIDE docking;
- updated run configurations;
- removed obsolete lib.mydoggy project.