staple strand coloring, continuous vh selection, changes the way InsertItem works (seq, skip broken)
file cleanup, insert/skip/seq fix, other misc features
handler selection fix
fixed potentialCrossOverList function to draw xovers at correct locations
code cleanup, improved handler selection, resizer autoresize fixed
fixed xover model and view communication
bug fixes
path tool css improvement
undo/redo in resize strand fixes #2
merged aug07 branches sam-aug07 and sudhanshu-aug7