Fixing the issue with server startup failure when CApps are added.
We need to create AppDirectory first. The APP_UNZIP_DIR variable is configured there. Otherwise, the very-first capp deployment will not work.
Merge branch 'release-4.3.0' of https://github.com/kasunbg/carbon4-kernel into kasunbg-release-4.3.0
Merge branch 'kasunbg-release-4.3.0' into release-4.3.0