Get my GUI tree code compiling again on windows.
Merge branch 'master' of https://github.com/InvictusInnovations/BitShares
Merge branch 'master' of https://github.com/InvictusInnovations/BitShares
Tree with stacked widget: first page has chat mode, second page has beginning of email mode. Enabled for compile on windows and unix now. Layout policy for tree vs stacked widget needs fixing.