Created GMS CLI client application

.gitignore

gms-client/gms-cli/.gitignore

gms-client/gms-cli/gms.properties

gms-client/gms-cli/pom.xml

...client/gms-cli/src/main/java/it/inaf/ia2/gms/cli/CLI.java

.../src/main/java/it/inaf/ia2/gms/cli/GmsCliApplication.java

gms-client/gms-cli/src/main/resources/application.properties

...test/java/it/inaf/ia2/gms/cli/GmsCliApplicationTests.java

gms-client/gms-client-lib/pom.xml

...t-lib/src/main/java/it/inaf/ia2/gms/client/GmsClient.java

...b/src/test/java/it/inaf/ia2/gms/client/GmsClientTest.java

.../it/inaf/ia2/gms/controller/WebServiceControllerTest.java