add halWiggleLiftover skeleton
add wiglle scanner
add new wiggle source files and tiler
fix some bugs
take account step size for fixedStep
Merge remote-tracking branch 'origin/development' into liftover
make
Merge remote-tracking branch 'origin/development' into phyloP
switch to aggregate mode.  add 2nd line remover for maf.  seems root issue may have beeno nonbinary trees
fix error in sed command