prep for server move

Fix for proper handling of objects with null intldes

Merge pull request #14 from stanvo/stanvo-patch-1

Change displayed velocity units from km to km/s

remove unnecessary satrec calcs from sat.js init

add search querystring, all objects from launch button

add initial search-hilight

start new search group thing. Need to make groups and searches secretly the same thing.

add SpaceX group

add URL parameters for satellite intldes, camera now follows selected sats.

change TLE parameters again

Merge pull request #7 from ekailia/master

Update index.php

Add 'Westford Needles' group

change TLE.json file name to avoid browser caching of mysteriously empty file