5.6.4

1. Fix - try workaround corrupted data in TTree
2. Fix - support min0 draw option like ROOT does
3. Fix - correctly handle TH2Poly draw options, better place text
4. Fix - seldom error in JSROOT.cleanup
5. Fix - repair TTree player UI
6. Fix - error in TH3 filling
7. Fix - correctly access top element in simple layout
8. Fix - exclude duplicated points when drawing TH2 with SURF3 options