Merge branch 'next'

* next: (24 commits)
  chore, mention help2man as prerequisite for truffle build on travis
  chore, vamp up travis ci config file
  doc, improve description portion of truffle tool's --help
  chore, explicitly hand-craft the usage line for the trod tool
  chore, explicitly hand-craft the usage line for the truffle tool
  chore, produce man pages with no pointers to info pages
  doc, build man pages for truffle and trod
  cosmetics, polish build summary, list truffle and trod as built utils
  chore, check for help2man util
  cosmetics, arrange SUBDIRS listing in lines in Makefile.am
  chore, install trod tool
  fix, PEBKAC, actually assign tryms read off the trod file
  test, add more regressions for rolling over series with trod files
  minor, actually call trod_roll_over_series() from main loop in truffle
  minor, provide make_cut_from_gbs() and trod_roll_over_series() to hook into ...
  minor, count the number of activations and deactivations in update_gbs()
  cosmetics, turn gbs wrappers in truffle into inlines
  hygiene, don't set lever in contracts mode for trod file
  fix, --oco implies --abs in print_cut()
  fix, don't put 2 spaces as separator in truffle's --oco mode over trod files
  ...