Finalizing changelog for v2.0.2
Finalizing changelog for v2.0.2

Cadair/astropy-helpers,bsipocz/astropy-helpers,astropy/astropy-helpers,Cadair/astropy-helpers,bsipocz/astropy-helpers,dpshelio/astropy-helpers,bsipocz/astropy-helpers,astropy/astropy-helpers,dpshelio/astropy-helpers