added product store for biglib
fix typo RivetPluginRefres -> RivetPluginRefresh
New build rules for generated Big EdmPlugin using other small libraries and edm plugins: these rules are not complete though, we need to fix these for dealing with multiple classes.h/xml files from variables packages which are part of big plugin
updated changelog
Merge pull request #20 from smuzaffar/master

New Build Rules for big plugin