docs: Regen commands doc

Fixes #2235

docs/content/commands/hugo_check.md

@@ -1,5 +1,5 @@
 ---
-date: 2016-04-09T23:00:06+02:00
+date: 2016-06-22T14:03:03+02:00
 title: "hugo check"
 slug: hugo_check
 url: /commands/hugo_check/
@@ -23,6 +23,7 @@ hugo check
 ```
   -b, --baseURL string          hostname (and path) to the root, e.g. http://spf13.com/
   -D, --buildDrafts             include content marked as draft
+  -E, --buildExpired            include expired content
   -F, --buildFuture             include content with publishdate in the future
       --cacheDir string         filesystem path to cache directory. Defaults: $TMPDIR/hugo_cache/
       --canonifyURLs            if true, all relative URLs will be canonicalized using baseURL
@@ -30,10 +31,11 @@ hugo check
       --config string           config file (default is path/config.yaml|json|toml)
   -c, --contentDir string       filesystem path to content directory
   -d, --destination string      filesystem path to write files to
+      --disable404              Do not render 404 page
       --disableRSS              Do not build RSS files
       --disableSitemap          Do not build Sitemap file
       --forceSyncStatic         Copy all files when static is changed.
-      --ignoreCache             Ignores the cache directory for reading but still writes to it
+      --ignoreCache             Ignores the cache directory
   -l, --layoutDir string        filesystem path to layout directory
       --noTimes                 Don't sync modification time of files
       --pluralizeListTitles     Pluralize titles in lists using inflect (default true)
@@ -57,4 +59,4 @@ hugo check
 * [hugo](/commands/hugo/)	 - hugo builds your site
 * [hugo check ulimit](/commands/hugo_check_ulimit/)	 - Check system ulimit settings
 
-###### Auto generated by spf13/cobra on 9-Apr-2016
+###### Auto generated by spf13/cobra on 22-Jun-2016