-/*

-	void modifyBoard(int board_id, array boardOptions)

-		- general function to modify the settings and position of a board.

-		- used by ManageBoards.php to change the settings of a board.

-

-	int createBoard(array boardOptions)

-		- general function to create a new board and set its position.

-		- allows (almost) the same options as the modifyBoard() function.

-		- with the option inherit_permissions set, the parent board permissions

-		  will be inherited.

-		- returns the ID of the newly created board.

-

-	void deleteBoards(array boards_to_remove, moveChildrenTo = null)

-		- general function to delete one or more boards.

-		- allows to move the children of the board before deleting it

-		- if moveChildrenTo is set to null, the child boards will be deleted.

-		- deletes all topics that are on the given boards.

-		- deletes all information that's associated with the given boards.

-		- updates the statistics to reflect the new situation.

-

-	void reorderBoards()

-		- updates the database to put all boards in the right order.

-		- sorts the records of the boards table.

-		- used by modifyBoard(), deleteBoards(), modifyCategory(), and

-		  deleteCategories() functions.

-

-	void fixChildren(int parent, int newLevel, int newParent)

-		- recursively updates the children of parent's child_level and

-		  id_parent to newLevel and newParent.

-		- used when a board is deleted or moved, to affect its children.

-

-	bool isChildOf(int child, int parent)

-		- determines if child is a child of parent.

-		- recurses down the tree until there are no more parents.

-		- returns true if child is a child of parent.

-

-	void recursiveBoards()

-		- function used by getBoardTree to recursively get a list of boards.

-

-	bool isChildOf(int child, int parent)

-		- determine if a certain board id is a child of another board.

-		- the parent might be several levels higher than the child.

-*/

-

- * Put all boards in the right order.