[review] FSM Review extended until August 27th

By request, the formal review for Andrey Semashev's Finite
State Machines (FSM) library has been extended and will run
until August 27th.

This is your last chance to submit a review and cast your
vote for or against inclusion of this library into Boost.

The documentation (overview and reference) is available online:
http://boost-extension.redshoelace.com/docs/boost/fsm/doc/state_machine.html
http://boost-extension.redshoelace.com/docs/boost/fsm/doc/reference.html

The current submission is available from the sandbox vault at 
http://tinyurl.com/yjozfn (or 
http://www.boostpro.com/vault/index.php?action=downloadfile&filename=FSM.zip
&directory=&PHPSESSID=48493076c1ea60ae316f7b60f15b9ed1,
if you prefer.)

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Description
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"The main goals of the library are:

* Simplicity. It should be very simple to create state machine
  using this library. 
* Performance. The state machine infrastructure should not be very 
  time and memory-consuming in order to be applicable in more use
  cases. 
* Extensibility. A developer may want to add more states to the
  existing state machine, and this addition should be relatively