[LGR-75] - Configurable role to saml group

CHANGELOG.md

src/main/java/org/geant/lgservice/config/CommandsParser.java

.../inventoryprovider/InventoryProviderRouterRepository.java

src/main/java/org/geant/lgservice/security/LGUser.java

...main/java/org/geant/lgservice/security/LGUserService.java

...n/java/org/geant/lgservice/security/SamlGroupMapping.java

...in/java/org/geant/lgservice/security/SamlKeyMappings.java

.../java/org/geant/lgservice/security/WebSecurityConfig.java

.../java/org/geant/lgservice/integration/scenario/Given.java

...gservice/integration/scenario/SubmitCommandRequestIT.java

.../java/org/geant/lgservice/security/LGUserServiceTest.java

src/test/resources/application.yml