Merge branch 'master' of https://github.com/cice-consortium/icepack i…

…nto Icepack1.2

update readthedocs requirements to deal with failing doc build

update version and interface documentation (CICE-Consortium#335)

Update documentation including namelist tables (CICE-Consortium#322)

* update documentation including namelist tables

* update version

Update wavespec convergence algorithm (CICE-Consortium#305)

* update wavespec convergence algorithm, get rid of large allfraclengths array, minor cleanup of a few other things

* add fsd interface documentation and update documentation in general

* update documentation

* update documentation

* update documentation

Update tracer init/query routines and Update documentation (CICE-Cons…

…ortium#289)

* update new tracer number setting and update documentation

* refactor tracer init/query methods merging sizes and numbers to sizes, update documentation

update icepack version to 1.1.2 (CICE-Consortium#277)

update copyright date (CICE-Consortium#263)

Icepack1.1.0 tag

Icepack1.0.2 tag changes