I have not programmed the plot and do not know when exactly it starts, but I strongly assume that "day" just means the first bar after midnight.
We're running the FXCM beta API not long enough to be sure about the equity bug, which only becomes apparent after some time continuous trading. But anyway here it is:
http://server.conitec.net/down/FXConnect132.zipI'd say try it on your own risk, but I guess you have the risk anyway - the previous version was also a beta, and the official release version was from 2013 and is even worse than the beta.