remember to set LD_LIBRARY_PATH so the final link works

Fix up the three frame func so it will reuse existing pep features and redo their sequence for revcomping

add function from zmapView.c and generalise to one that takes strings of words and makes context ids from them.

tidy up quit from client program, remove timer to more general quit code, setup idle func. to issue final quit.

fix up cursor line and rubber banding to work off middle button and allow user to cancel them by moving outside of window.