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
Merge remote-tracking branch 'origin/chains' into development
lower default chunk of lods from 1000 to 200.  add option to scripts and tools to specifiy chunk
make sure to split block lines if chromosome name differs
keep qEnd in absolute coordinates
disable flip code