Allow sorting of waypoints

[jrossignol]

Requested by Svm420.

Sort criteria:

• Distance
• Others?

[svm420]

Any chance this will be incorporated soon?

[jrossignol]

Not likely going to happy before Strategia is released.

[svm420]

Roger that really appreciate the status update.

[svm420]

@jrossignol Any chance of this soon? Thanks!

[jrossignol]

Likely going to look at this with the KSP 1.1 changes since that will likely impact GUI anyway.