[Install][Doc]Fix content.
[Doc][Upgrade] Add NOTE messages to fix error when users run
hatohol-db-initiator.
[Doc][Upgrade] Remove unnecessary lines.
[Doc][Upgrade] Add Japanese Document to upgrade Hatohol.
[Doc][Upgrade] Add information for view of Hatohol information.
[Doc][Upgrade] Add Tips information for hatohol-db-initiator.
[Doc] Fix notation to show items.