Refactoring from file to path. Most tests are ok. But some fail from
time to time.
Merge remote-tracking branch 'origin/master'

Conflicts:
	org.hive2hive.client/src/org/hive2hive/client/menu/TopLevelMenu.java
	org.hive2hive.core.test/src/org/hive2hive/core/test/integration/H2HNodeTest.java
	org.hive2hive.core/src/org/hive2hive/core/IH2HNode.java
	org.hive2hive.core/src/org/hive2hive/core/process/upload/newfile/NewFileProcess.java