#1059 Zero TickUnit hangs LogAxis

[Martin Höller]

The LogAxis supports to set a TickUnit. If one sets a NumerTickUnit with a size of 0, drawing the axis hangs in an endless loop.

The problem is found in LogAxis.refreshTicksHorizontal() at line 535 resp. refreshTicksVertical() at line 587:
while (current <= end) {
// ...
current = current + this.tickUnit.getSize();
}

[Martin Höller]

Bug is fixed and included for 1.0.14 release.