Small improvements to snapcraft.yaml

Author: Redande

snap/snapcraft.yaml

@@ -1,6 +1,6 @@
 name: tmcbeans # you probably want to 'snapcraft register <name>'
 base: core18 # the base snap is the execution environment for this snap
-version: '1.3.0' # just for humans, typically '1.2+git' or '1.3.2'
+version: '1.4.0' # just for humans, typically '1.2+git' or '1.3.2'
 summary: IDE for students using Test My Code # 79 char long summary
 description: |
   TMCBeans is a customized version of the NetBeans IDE intended to be used with the Test My Code -system.
@@ -11,6 +11,7 @@ description: |
 
 grade: stable # must be 'stable' to release into candidate/stable channels
 confinement: classic # use 'strict' once you have the right plugs and slots
+icon: resources/images/tmcbeans.png
 
 parts:
   tmcbeans:
@@ -31,8 +32,3 @@ apps:
   tmcbeans:
     command: tmcbeans/bin/tmcbeans
     desktop: tmcbeans.desktop
-    plugs:
-      - desktop
-      - desktop-legacy
-      - wayland
-      - unity7