replace complicated tokenisation logic for commands with single functionally equivalent function call

For details for String.prototype.split see its explanation in Mozilla Developer
Network [1].

[1] https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split?redirectlocale=en-US&redirectslug=JavaScript%2FReference%2FGlobal_Objects%2FString%2Fsplit
even more concise form
Merge branch 'string.split' into gh-pages

Conflicts:
	assets/scripts/aircraft.js
Merge pull request #38 from niklasfi/string.split

concise String.split in aircraft.js
even more concise form
Merge branch 'niklasfi-gh-pages' into gh-pages
Correct designations for A380-800
Add American Airlines (minus MD aircraft)
US Airways and Embraer e-series jets
Add AAL and AWE
Fix AAL to use B77E
Merge pull request #40 from daviessm/gh-pages

Fix A388 designation, add e-series jets and B762, add airlines AAL and AWE
Merge branch 'gh-pages' of github:/zlsa/atc into gh-pages