get the build target right
building gpg2john explicitly is no longer required
fix typo in "bitcoin-qt" string
document steps required to crack bitcoin wallet files
Merge branch 'bleeding-jumbo' into memdbg

* bleeding-jumbo:
  document steps required to crack bitcoin wallet files
  fix typo in "bitcoin-qt" string
  building gpg2john explicitly is no longer required
  get the build target right