Fixed #3433. Using get_bin_path, removed uneeded imports, "module" is inlined, misc other style improvements.

  Migrated all examples: in DOCUMENTATION=''' string to standalone EXAMPLES=''' string
  Added deprecation warning to moduledev.rst and remove deprecated example from it
  Fixed up a few typos and uppercased some acronyms.
  add consistency to how EXAMPLES are formatted

for fetching riak stats.

Now using module.run()
Fixed raw_stats() function.