added to the toc feature the ability to get toc entries in the toc customizer class
each toc entry allows to store a custom value that can be used for creating custom toc reports

git-svn-id: http://svn.code.sf.net/p/dynamicreports/code/trunk@736 bf0c503b-2351-4f66-9eae-aa52f3279a3f
updated example ChartShowPercentagesReport

git-svn-id: http://svn.code.sf.net/p/dynamicreports/code/trunk@737 bf0c503b-2351-4f66-9eae-aa52f3279a3f