1. Added ks:show and ks:hide events to be fired upon layer show/hide. 2. Layer now is disposed if one calles KSLayerService::remove
1. Added ks:show and ks:hide events to be fired upon layer show/hide.
2. Layer now is disposed if one calles KSLayerService::remove

ksamdev/kslog,skhal/kslog,skhal/kslog,ksamdev/kslog