Can't refresh gauge with float

[daergoth]

Right now a JustGage instance can only be refreshed with an integer.
However, the core JustGage JavaScript library would support refreshing
with a float value.

This would be a small modification in JustGage.java from:

public void refresh(int value) {
  callFunction("refresh", value);
}

to:

public void refresh(float value) {
  callFunction("refresh", value);
}

[35niavlys]

Thanks for the issue. I uploaded the 1.0.2 version