gzmCore: fixed incomplete creation of base directory
guizmin_table: extended signature to resemble tabular
ucsc.liftover: incorrect option
core: env now ships an sh and a bash plugged to the correct stdout/stderr and logs

dropped printf-like api for env.sh, was too difficult to parse the
command line to break it into meaningfull arguments. In particular,
splitting at spaces is incorrect (eg: grep 'foo bar')