* Make Manticore behave like a dict; slim callback
* Update all sample scripts to not take a context
* Add a sample script (count_instructions.py)
* We no longer need to close over Manticore state; add callback directly
* Move Manticore's context to a public attribute
* Remove ManticoreControl object
* Some changes were brought in from dev-symbolicate-api
* Add Manticore.terminate()
* Add State.abandon()
* Update sample scripts
* Remove ctl from README
* Fix tests
* Bring in changes from dev-symbolicate-api
* Lower-case wildcard
* string -> cstring
* abandon() docstring
* Rename "name" to "label"
* Remove obsolete comment
* Make NUL a possible value for the last byte of a cstring
* Fix AbandonState and add example binary&script
* name -> label in tests, manticore.py
* Ignore .DS_Store
* Update symbolicate_buffer docstring