ENH: Use OrderedDict in io.netcdf. Fixes #5537
ENH: Use OrderedDict in io.netcdf. Fixes #5537

Makes use of orderedDict instead of regular dict in io.netcdf. Scavved
from pupynere.

First commit. Please no hate :-)

perimosocordiae/scipy,jor-/scipy,kalvdans/scipy,grlee77/scipy,Eric89GXL/scipy,endolith/scipy,pbrod/scipy,jakevdp/scipy,ilayn/scipy,pizzathief/scipy,ilayn/scipy,jamestwebber/scipy,e-q/scipy,pizzathief/scipy,jakevdp/scipy,Stefan-Endres/scipy,zerothi/scipy,mdhaber/scipy,mdhaber/scipy,matthew-brett/scipy,anntzer/scipy,gfyoung/scipy,jjhelmus/scipy,aarchiba/scipy,Stefan-Endres/scipy,lhilt/scipy,zerothi/scipy,person142/scipy,ilayn/scipy,endolith/scipy,ilayn/scipy,person142/scipy,Eric89GXL/scipy,apbard/scipy,scipy/scipy,gertingold/scipy,jor-/scipy,befelix/scipy,gfyoung/scipy,vigna/scipy,jjhelmus/scipy,arokem/scipy,dominicelse/scipy,scipy/scipy,pbrod/scipy,anntzer/scipy,scipy/scipy,josephcslater/scipy,andyfaff/scipy,aeklant/scipy,pschella/scipy,perimosocordiae/scipy,josephcslater/scipy,nmayorov/scipy,josephcslater/scipy,gfyoung/scipy,grlee77/scipy,grlee77/scipy,Stefan-Endres/scipy,grlee77/scipy,WarrenWeckesser/scipy,e-q/scipy,rgommers/scipy,arokem/scipy,e-q/scipy,perimosocordiae/scipy,matthew-brett/scipy,jor-/scipy,jamestwebber/scipy,tylerjereddy/scipy,anntzer/scipy,matthew-brett/scipy,person142/scipy,jor-/scipy,person142/scipy,josephcslater/scipy,pizzathief/scipy,anntzer/scipy,tylerjereddy/scipy,jamestwebber/scipy,vigna/scipy,arokem/scipy,vigna/scipy,tylerjereddy/scipy,pbrod/scipy,nmayorov/scipy,aeklant/scipy,dominicelse/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,scipy/scipy,befelix/scipy,dominicelse/scipy,andyfaff/scipy,perimosocordiae/scipy,zerothi/scipy,lhilt/scipy,endolith/scipy,WarrenWeckesser/scipy,pschella/scipy,dominicelse/scipy,befelix/scipy,aeklant/scipy,Eric89GXL/scipy,pbrod/scipy,rgommers/scipy,andyfaff/scipy,WarrenWeckesser/scipy,pbrod/scipy,arokem/scipy,gertingold/scipy,ilayn/scipy,endolith/scipy,nmayorov/scipy,gfyoung/scipy,pbrod/scipy,matthew-brett/scipy,anntzer/scipy,jamestwebber/scipy,mdhaber/scipy,zerothi/scipy,lhilt/scipy,endolith/scipy,zerothi/scipy,vigna/scipy,kalvdans/scipy,jjhelmus/scipy,Stefan-Endres/scipy,aarchiba/scipy,arokem/scipy,jamestwebber/scipy,rgommers/scipy,aeklant/scipy,jakevdp/scipy,jjhelmus/scipy,vigna/scipy,jjhelmus/scipy,befelix/scipy,person142/scipy,apbard/scipy,apbard/scipy,apbard/scipy,pschella/scipy,WarrenWeckesser/scipy,matthew-brett/scipy,Stefan-Endres/scipy,andyfaff/scipy,tylerjereddy/scipy,Eric89GXL/scipy,mdhaber/scipy,Eric89GXL/scipy,kalvdans/scipy,nmayorov/scipy,nmayorov/scipy,kalvdans/scipy,aarchiba/scipy,zerothi/scipy,josephcslater/scipy,Eric89GXL/scipy,pizzathief/scipy,gertingold/scipy,gertingold/scipy,aarchiba/scipy,aeklant/scipy,mdhaber/scipy,andyfaff/scipy,mdhaber/scipy,scipy/scipy,kalvdans/scipy,perimosocordiae/scipy,anntzer/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,aarchiba/scipy,rgommers/scipy,pizzathief/scipy,lhilt/scipy,grlee77/scipy,apbard/scipy,e-q/scipy,dominicelse/scipy,endolith/scipy,gfyoung/scipy,gertingold/scipy,rgommers/scipy,pschella/scipy,pschella/scipy,jakevdp/scipy,jor-/scipy,e-q/scipy,jakevdp/scipy,lhilt/scipy,ilayn/scipy,befelix/scipy,tylerjereddy/scipy,andyfaff/scipy,scipy/scipy