update decoration when change/save .java files (microsoft#233)

use gs-rest-service as test project

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

fix linting

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

up version to 0.6.0

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

up version to 0.5.0

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

adapt to latest java-debugger's fix

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

up version to 0.3.1

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

up version to 0.3.0

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

upversion to 0.2.0 (microsoft#118)

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

upversion to 0.1.10

Signed-off-by: Yan Zhang <yanzh@microsoft.com>