Merge pull request #1081 from diegosarmentero/master

Hiding explorer panel if there isn't anything to show
Merge pull request #1082 from diegosarmentero/master

Fixing blinking cursor in windows
New Dutch lang file added

Based on the new translation that I added to
https://github.com/ninja-ide/ninja-ide-translations.git
Merge pull request #1089 from osscca/master

Dutch language file updated
Merge pull request #1093 from diegosarmentero/master

 Fixed Issue #947
Fixed Issue #652, #1091