replaced abastract class extensions with simple annotation

...ams/ca/workers/csr/builders/SystemAccountBuilderTest.java

...ms/common/annotations/ScopedServletAnnotationScanner.java

...net/jami/jams/common/annotations/ScopedServletMethod.java

...ain/java/net/jami/jams/common/servlets/ScopedServlet.java

jams-server/src/main/java/net/jami/jams/server/Server.java

...c/main/java/net/jami/jams/server/core/TomcatLauncher.java

...ami/jams/server/core/workflows/InstallationFinalizer.java

...i/jams/server/servlets/api/auth/device/DeviceServlet.java

.../jams/server/servlets/api/auth/device/DevicesServlet.java

.../jami/jams/server/servlets/api/auth/user/UserServlet.java

...java/net/jami/jams/server/servlets/filters/ApiFilter.java

...ain/java/net/jami/jams/server/startup/PackageScanner.java

net/jami/jams/common/test/TestClass.class