Trixie main

Testing a mission-loader type script
Saving all the old files

Lots of files up to the Trixie ones
Pidsetup uses declared parameters
Added some more print output to calc_circnode
Adds the node after making it
Uses nextnode, prints time to burn, locks node
Shorter, adds rollpower sensing rather than rollcontrol
Heading locks moved to this script
A new script that just aligns with df
Moved as much as possible to subsidiary scripts
Added launch for trixie 2 ("0a")