Renamed the Storage interface (to Space)
Merge branch 'KeyStorage'
changed import
Merge branch 'master' of https://github.com/Twoody/searchEnginev2
Create Activity Log
Added required DiskSpace function read
Update DiskSpace.java
Update DiskSpace.java

Changed the option in read to 'r' for read only (don't want to write here). Added some comments in read, too. I am about to look up readfully to see what that does to fix the comment there.
Update DiskSpace.java

Added some documentation and cleaned up a litte more of all of the comments
Modified read method in Diskspace
DiskSpace, Value, ValueStorage, Node changes
Few changes
Added some tests

These tests are not passed yet