Improve resource management. Destroy panel on package deactivate.
Improve resource management. Destroy panel on package deactivate.

Glavin001/atom-preview,Glavin001/atom-preview,lasaro-dumer/atom-preview,lasaro-dumer/atom-preview,lasaro-dumer/atom-preview,zuren/atom-preview,zuren/atom-preview,zuren/atom-preview,Glavin001/atom-preview