v2.0:	Initial release of the current solution. Set to v2.0 as this is a remake of a previously published solution.
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v2.1:	Modified the "hover" CSS to highlight the editable TD's only, and to show a small downarrow to the right in the TD.
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v2.2:	Makes it possible to use this solution in a web part page alongside other list view web parts.
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v2.3:	Fixed a bug in v2.2 that made it impossible to use the solution in document libraries.
	Changed the variables passed to the function "initCustomEditFunction" to an object literal. See updated CEWP-code here:
	http://sharepointjavascript.wordpress.com/2011/02/08/inline-editing-for-sharepoint-2007/