add helptext descriptions for features

trim all contents by default - relates to #317

trim indents by default - fixes #317

replace -a with && in configure

fix that a broken configure file is left over when something goes wrong

fix empty dependencies element producing broken configure script - fixes #336

fix duplicate output when checking dependencies

add --init and --update options

arg attribute in option element is required

add support for config.site - fixes #313

(0) -10 +10 tip

mercurial