Fixed problems causing tray icon not to appear in KDE:
Typo in filename (wl00.png -> wl100.png)
Check tray icon geometry values are >= 0, not >0.
fixed additional typo
fixed wl050.png not being shown because it was missing from qresource file
Merge pull request #53 from afontenot/fix_kdeicons

Fixed problems causing tray icon not to appear in KDE: