First round of SecurityInterceptor
Only map requests are implemented necessary methods
check-style
check-style again
Merge branch 'master' of github.com:hazelcast/hazelcast into security-interceptor

Conflicts:
	hazelcast/src/main/java/com/hazelcast/config/XmlConfigBuilder.java
	hazelcast/src/main/java/com/hazelcast/map/MapPortableHook.java
added getDistributedObjectType to SecureRequest Interface
fixed some issues
Merge branch 'master' of github.com:hazelcast/hazelcast into security-interceptor

Conflicts:
	hazelcast/src/main/java/com/hazelcast/map/MapPortableHook.java
loadAll requests implemented interceptor methods
more check-style
Merge pull request #2771 from gurbuzali/security-interceptor

[DO NOT MERGE] Security interceptor