SECORE - allow to build def.war by flag with cmake

[Bang Pham Huu]

By default, after ticket ​http://rasdaman.org/ticket/2470, SECORE is built
as def.jar for petascope. To build it as standalone web application like before, it needs to change in some places for SECORE. Cmakes

 to enable building the def.war with e.g. -DENABLE_STANDALONE_SECORE=ON

• pom.xml.in with maven profiles, to build with war, it needs this plugin enabled:

 <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>

• application.properties with secore.controller.enabled=true to allow SecoreController.java to receive any requests to /def.