Add app single instance test case
Merge pull request #1948 from gitchs/single-instance-test-case

APP single instance test case PR for v0.9
[WIN] implement the SetBadgeLabel for windows
[WIN] badge feature, fix the indentation, add my name to Authors
Merge pull request #1957 from jtg-gg/badge

SetBadgeLabel Windows Implementation
Merge remote-tracking branch 'origin/master' into nw10