Ignore .bash_history

.gitignore

@@ -32,9 +32,9 @@ config/master.key
 
 ## Environment normalization:
 /.bundle
-/vendor/bundle
-/.gem
 /.cache
+/.gem
+/vendor/bundle
 
 # these should all be checked in to normalize the environment:
 # Gemfile.lock, .ruby-version, .ruby-gemset
@@ -51,6 +51,7 @@ bower.json
 .powenv
 
 # Ignore command history files.
+.bash_history
 .byebug_history
 .lesshst
 .viminfo