uncapitalize several doc files

* `alternate_cask_taps.md`
* `automation.md`
* `hacking.md`
* `releasing.md`

Author: rolandwalker

CONTRIBUTING.md

@@ -410,6 +410,6 @@ Neat and tidy!
 ## Working On homebrew-cask Itself
 
 If you'd like to hack on the Ruby code in the project itself, please
-see [HACKING.md](doc/HACKING.md).
+see [hacking.md](doc/hacking.md).
 
 # <3 THANK YOU! <3

README.md

@@ -30,7 +30,7 @@ $ open ~/Applications/"Google Chrome.app"
 
  * Find basic documentation on using homebrew-cask in [USAGE.md](USAGE.md)
  * Want to contribute a Cask? Awesome! See [CONTRIBUTING.md](CONTRIBUTING.md)
- * Want to hack on our code? Also awesome! See [HACKING.md](doc/HACKING.md)
+ * Want to hack on our code? Also awesome! See [hacking.md](doc/hacking.md)
  * More project-related details and discussion are available in [FAQ.md](doc/FAQ.md) and [CASK_LANGUAGE_REFERENCE.md](doc/CASK_LANGUAGE_REFERENCE.md)
 
 ## Questions? Wanna chat?

USAGE.md

@@ -153,7 +153,7 @@ of Casks.
 | [caskroom/fonts](https://github.com/caskroom/homebrew-fonts)           | contains Casks that install fonts, which are kept separate so we can educate users about the different licensing landscape around font installation/usage
 | [caskroom/unofficial](https://github.com/caskroom/homebrew-unofficial) | contains Casks that install unofficial builds or forks
 
-There are also [alternate Cask Taps](doc/ALTERNATE_CASK_TAPS.md#alternate-cask-taps-maintained-by-users) maintained by users.
+There are also [alternate Cask Taps](doc/alternate_cask_taps.md#alternate-cask-taps-maintained-by-users) maintained by users.
 
 You can tap any of the above with a `brew tap` command:
 

developer/bin/get_release_tag

@@ -127,7 +127,7 @@ Arguments:
    -verbose  Output a table, possibly including both latest existing and
              proposed new tags.
 
-See RELEASING.md for more information.
+See doc/releasing.md for more information.
 
 "
             exit

doc/FAQ.md

@@ -49,7 +49,7 @@ lot of the Homebrew stuff we lean on now.
 
 ## Can I set up my own Cask Tap?
 
-Yes! See [ALTERNATE_CASK_TAPS.md](ALTERNATE_CASK_TAPS.md).
+Yes! See [alternate_cask_taps.md](alternate_cask_taps.md).
 
 ## Can I install a version other than the English one?