PutUserMessageStep, NetworkContentWrapper
encryption key generation measurement added
PutUserMessageStep, user messages are first signed
Merge branch 'um-queue'

Conflicts:
	org.hive2hive.core.test/src/org/hive2hive/core/test/process/upload/NewVersionTest.java
	org.hive2hive.core/src/org/hive2hive/core/process/login/PostLoginProcessContext.java
	org.hive2hive.core/src/org/hive2hive/core/process/login/SynchronizeFilesStep.java
	org.hive2hive.core/src/org/hive2hive/core/process/register/RegisterProcessContext.java
	org.hive2hive.core/src/org/hive2hive/core/process/upload/BaseUploadFileProcessContext.java
	org.hive2hive.core/src/org/hive2hive/core/process/upload/newversion/NewVersionProcessContext.java