Added gradle-specific file/folder
Maven configuration was replaced with gradle for common/test module
Maven configuration was replaced with gradle for common/util module
Maven configuration was replaced with gradle for common/data-access module
Use local maven repo by absolute path
Maven configuration was replaced with gradle for core-model module
Maven configuration was replaced with gradle for core-dao module
Maven configuration was replaced with gradle for core-service module
Removed IDEA system config
Migration of REST module to gradle without copying resources