Add missing time scale options

[moberwasserlechner]

see docs http://www.chartjs.org/docs/2.7.0/axes/cartesian/time.html

[moberwasserlechner]

From the docs of time scale

The following options are provided by the time scale. You may also set options provided by the common tick configuration.

The part "common tick configuration" indicates that TimeScale must be able to configure common ticks options as well and they are used separate from the time options. This is indicated by some examples:
view-source:http://www.chartjs.org/samples/latest/scales/time/line-point-data.html

[moberwasserlechner]

Should try to demo this https://codepen.io/michaelbukachi/pen/baWMKa