add new features

build.gradle

...main/java/edu/umd/dawn/common/annotations/AspectBase.java

...main/java/edu/umd/dawn/common/annotations/Deprecated.java

...ava/edu/umd/dawn/common/annotations/DeprecatedAspect.java

...java/edu/umd/dawn/common/annotations/RoleRestriction.java

...du/umd/dawn/common/annotations/RoleRestrictionAspect.java

src/main/java/edu/umd/dawn/common/annotations/Traceable.java

...java/edu/umd/dawn/common/annotations/TraceableAspect.java

...main/java/edu/umd/dawn/common/annotations/Unfinished.java

...ava/edu/umd/dawn/common/annotations/UnfinishedAspect.java

src/main/java/edu/umd/dawn/common/annotations/Utils.java

...d/dawn/common/converter/CaseInsensitiveEnumConverter.java

src/main/java/edu/umd/dawn/common/enums/Role.java

...n/java/edu/umd/dawn/common/exceptions/BaseExceptions.java

...du/umd/dawn/common/exceptions/CustomExceptionHandler.java

...va/edu/umd/dawn/common/filters/CaseInsensitiveFilter.java

...a/edu/umd/dawn/common/interceptor/RequestInterceptor.java

src/main/java/edu/umd/dawn/common/jwt/Claims.java

src/main/java/edu/umd/dawn/common/jwt/JWTUtil.java

...in/java/edu/umd/dawn/common/services/UserAuthService.java