LPS-34440 Use the same method to add contents and add applications in js
LPS-34440 Modify app view entry taglib to create a 'div' instead of 'a' when the url param is null, like icon taglib
LPS-34592 Move getAddPortletURLs to AssetUtil
LPS-34592 Remove unused code
LPS-34592 Use allAssetCategoryIds instead of assetEntryQuery.getAllCategoryIds() to make more easy reuse the add_asset.jspf
LPS-34592 Add redirectURL to getAddPortletURLs to support reuse add_asset.jspf form other portlets
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