ONOS-4359: continued work on theming UI
- updated app.pngs

Change-Id: I7910b93a0be5020c0a1b1b9675dc79b21f63ef83
(cherry picked from commit 1b750c5)
diff --git a/apps/pathpainter/app.png b/apps/pathpainter/app.png
index e905e3e..0f19ef4 100644
--- a/apps/pathpainter/app.png
+++ b/apps/pathpainter/app.png
Binary files differ
diff --git a/apps/pce/pceweb/app.png b/apps/pce/pceweb/app.png
index 01ea558..abe34eb 100644
--- a/apps/pce/pceweb/app.png
+++ b/apps/pce/pceweb/app.png
Binary files differ
diff --git a/core/common/src/main/resources/app-blank.png b/core/common/src/main/resources/app-blank.png
index 6391bee..1b923b4 100644
--- a/core/common/src/main/resources/app-blank.png
+++ b/core/common/src/main/resources/app-blank.png
Binary files differ
diff --git a/core/common/src/main/resources/app.png b/core/common/src/main/resources/app.png
index 01ea558..abe34eb 100644
--- a/core/common/src/main/resources/app.png
+++ b/core/common/src/main/resources/app.png
Binary files differ