Add copyright licence notices to rs*.c (and appropriate notes in README and Makefile)
routesearch: rework some things, bugfixes Debugging: New value2 debug flag, new option -D1 for medium debug output, etc. Rename PotentialResult to a Bucket of two OnePotentialResults (no intended change in behaviour for this) Fix granularity full test to work correctly
WIP routesearch: actually find the database
WIP routesearch; New SQL_DISTINCT_{DECL,STEP}
WIP routesearch; searcher
WIP routesearch; before try not using interior point