consolidate spelling dictionaries

Previously hunspell was installed as a firefox dep, and aspell was
installed for weechat.

playbook.yml

@@ -25,6 +25,7 @@
     - { role: filesystems, tags: ['filesystems'] }
     - { role: archive, tags: ['archive'] }
     - { role: udisks, tags: ['udisks'] }
+    - { role: spell, tags: ['spell'] }
     - { role: browsers, tags: ['browsers'] }
     - { role: yubikey, tags: ['yubikey'] }
     - { role: media, tags: ['media'] }

roles/spell/tasks/main.yml

@@ -0,0 +1,16 @@
+---
+- name: Install hunspell
+  pacman: name={{ item }} state=present
+  with_items:
+    - hunspell
+    - hunspell-en
+  tags:
+    - hunspell
+
+- name: Install aspell
+  pacman: name={{ item }} state=present
+  with_items:
+    - aspell
+    - aspell-en
+  tags:
+    - aspell

roles/weechat/tasks/main.yml

@@ -1,7 +1,4 @@
 ---
-- name: Install aspell English dictionary
-  pacman: name=aspell-en state=present
-
 - name: Install weechat
   pacman: name=weechat state=present