Tight kwargs become attributes (#1387)
Tight kwargs become attributes (#1387)

* Loosening constraint tolerance, adding kwargs to Tight.

* Adding feastol to PosyIneq under subs. Small typo correction as well.

* Adding test.

* lint

* more lint

* Fixing assertRaises.

* Fix verbosity.

* Tweak for rank error in cvxopt solves.

* small changes

* remove Tight setattr; parameters should be documented in interface

* finishing the job

* Adding kwargs back to Tight for soromotoropt.

hoburg/gpkit,convexopt/gpkit,convexopt/gpkit,hoburg/gpkit