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
Merge branch 'synchronize'

Conflicts:
	org.hive2hive.core.test/src/org/hive2hive/core/test/network/NetworkPutGetUtil.java
	org.hive2hive.core.test/src/org/hive2hive/core/test/process/upload/NewFileTest.java
	org.hive2hive.core.test/src/org/hive2hive/core/test/process/upload/NewVersionTest.java
	org.hive2hive.core/src/org/hive2hive/core/H2HNode.java
	org.hive2hive.core/src/org/hive2hive/core/process/upload/BaseUploadFileProcessContext.java
	org.hive2hive.core/src/org/hive2hive/core/process/upload/newfile/NewFileProcessContext.java
	org.hive2hive.core/src/org/hive2hive/core/process/upload/newversion/NewVersionProcess.java
	org.hive2hive.core/src/org/hive2hive/core/process/upload/newversion/NewVersionProcessContext.java
Fix user profile and add tests
Improving file deletion process