30 converted from assert to nrn_assert. So work properly with NDEBUG
defined.

* An initial commit to get code documentation into NEURON

* Added cmake target and generate docs inside build dir

* A more reasonable logo

* Added some cmake instructions into README.md

* Reviewed all assert for necessary side effects. (#306) (#307)

30 converted from assert to nrn_assert. So work properly with NDEBUG
defined.

* Just minor cleanup

formatting in doxygen still doens't look great, but we can iron this out
later

* Added building doxygen in travis and deploying docs

* make doxygen only

* travis.yml fix

* fixed travis script to build doc for one job

* Added documentation preperation

* Reverted jobs changes for testing

* Small fix in README.md cmake options

* Added cmake option NRN_BUILD_DOC and selectively build doc in travis

* Reverted make install in travis

* Remove build option for doxygen

* Added some more groups

* update travis for docs

* Revert travis change

* Small fix to travis plan

* Small fix in if statement to build doc

* digittoint not standard on linux
* Use neuron.test() instead of rxd specific test.
* update submodules : iv as well as coreneuron (#302)
* Array for spike compression may not be allocated in some circumstances. (#293)
* Remove legacy options for purify and mpitrace library of bg-q (#296)
* Avoid bash warning/error for empty if block (#298)
* add back the run_all.py travis_cl test
* Reviewed all assert for necessary side effects. (#306) (#307)
  30 converted from assert to nrn_assert. So work properly with NDEBUG
  defined.

Co-authored-by: Pramod Kumbhar <pramod.kumbhar@epfl.ch>
Co-authored-by: Michael Hines <michael.hines@yale.edu>