added findfeaturesSegment script (#5091)

* added findfeaturesSegment script

* now parrallelized

* updated logging code

* added help string

* added help string

* added envs and fixed progress bar output

* staging things

* added python stuff, fixed segment issues, addressed coments

* addressing comments

* added more doc strings

* made pybindings on by default

* addressing comments

* fixed some things, local testing

* updated install steps

* added basic tests

* reverting ale pin

* changed license

* turn on pybindings in jenkins

* renamed script

* shadow rename?