cleaned up usage beahviour
don't need every program telling people how to use unix
pdftohtml/pdftocairo/etc style usage defaults
show argument types, like pdftohtml/pdftocairo/etc
cleaned-up usage descriptions
re-ordered usage descriptions to be more like pdftocairo,etc
re-ordered Param.h to match new usage order
re-ordered manpage to match new usage order and grouping
Merge branch 'master' of git://github.com/coolwanglu/pdf2htmlEX
usage: embedded fonts -> fonts
usage: default is -> default:
Merge pull request #78 from jahewson/master

clean-up command-line arguments