Add GHC 8.2.1 Travis build

Author: RyanGlScott

.travis.yml

@@ -28,6 +28,9 @@ matrix:
     - env: CABALVER=1.24 GHCVER=8.0.2
       compiler: ": #GHC 8.0.2"
       addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2], sources: [hvr-ghc]}}
+    - env: CABALVER=2.0 GHCVER=8.2.1
+      compiler: ": #GHC 8.2.1"
+      addons: {apt: {packages: [cabal-install-2.0,ghc-8.2.1], sources: [hvr-ghc]}}
     - env: CABALVER=head GHCVER=head
       compiler: ": #GHC head"
       addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}}

hood.cabal

@@ -18,6 +18,7 @@ tested-with:         GHC == 7.4.2
                    , GHC == 7.8.4
                    , GHC == 7.10.3
                    , GHC == 8.0.2
+                   , GHC == 8.2.1
 extra-source-files:  CHANGELOG.md, README.md
 
 Library