Refactored JavaDoc
#124 Now remote NOTE field will be utilized to store the time info
Refactored RubberDuck.java
Refactored AddCommand.java javadocs
Refactored ClearCommand.java javaDocs
Refactored Command.java javaDocs
Refactored ConfirmCommand.java javaDocs
Refactored ExitCommand.java javaDocs
Refactored HelpCommand.java javaDocs
Refactored InvalidCommand.java javaDocs
Refactored MarkCommand.java javaDocs
Refactored SearchCommand.java javaDocs
Refactored SyncCommand.java javaDocs
Refactored UpdateCommand.java javaDocs
Refactored ViewCommand.java javaDocs
Add a new state deleted (DELED) to instances in DBManager
Merge branch 'dbmanager' into export_support
Refactored DatabaseManager.java javaDocs
Revert "Refactored DatabaseManager.java javaDocs"

This reverts commit c931b654f999a965f1c1c67ba3d1d7259176d16b.
Refactored DatePair.java javaDocs