Fixed unfinished test for GrossWeight.
Revert "Bypassed KML LineString extrude limitation in Google Earth by splitting it."

This reverts commit b37a196c4f5571c3385e49e1c5c7ff57ec378c9c.
Revert "Changed rate_of_change width parameter for heading to 8 during splitting."

This reverts commit a4f376638300d44104891a92513e71af73741c8b.
Reverting commits not meant for the 0.6 branch.