graves rotaing by itself

repeated: i place graves (i look to east), and gravees all rotating by itself (like placed while looking to north)+colored graves reset to default color (gray)
croses, grave plate, cat statue, dog statue, horse statue, changing too (from cross to gravestone) and rotate.. all graves (maybe except swords)

I saw such bug only once and it happens when game crashed(as I think - I'm not 100% sure)... But it looks like your game wasn't crashed, was it? Can you reproduce it?

It happens when RemoveEmptyGraves=false is set to true in the config.
https://twitter.com/Furry_King_Woif/status/535694924952256512

And it is buggy. It looks like I made a small mistake when worked on update for minecraft 1.7(blocks id system was changed). This graves must be removed(all except swords graves) but instead of it it replaced by new graves..