Chris Shoemaker's (Jul) patch for account-*-balance refactoring and code

[Joshua Sled]

Log Message:
-----------
Chris Shoemaker's (Jul) patch for account-*-balance refactoring and code format/comment massage.
2005-10-07  Joshua Sled  <jsled at asynchronous.org>

	Patch from Chris Shoemaker <c.shoemaker at cox.net>:
	* src/engine/Account.[ch]: Refactoring of
	account-*-balance(as-of-date) code.
	* src/engine/Account.[ch], src/engine/Group.[ch]:
	Tyop/misspelling correction, formatting cleanup, notes and
	comments.

Tags:
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gnucash-gnome2-dev

Modified Files:
--------------
    gnucash:
        ChangeLog
    gnucash/src/engine:
        Account.c
        Account.h
        Group.c
        Group.h