Alphabetize .gitignore

.gitignore

@@ -1,24 +1,24 @@
-gemfiles/*.lock
+*.gem
+.bundle
+.byebug_history
+.idea
+.rbenv-gemsets
+.rbenv-version
+.ruby-gemset
+.ruby-version
+.rvmrc
+.tags
+.tags_sorted_by_file
+Gemfile.lock
 NOTES
-test/debug.log
-test/paper_trail_plugin.sqlite3.db
+coverage
+gemfiles/*.lock
+pkg/*
+spec/dummy/
 spec/dummy_app/config/database.yml
 spec/dummy_app/db/*.sqlite3
 spec/dummy_app/log/*
 spec/dummy_app/tmp/*
-spec/dummy/
-coverage
-pkg/*
-*.gem
-.bundle
-.byebug_history
-.rbenv-version
-Gemfile.lock
+test/debug.log
+test/paper_trail_plugin.sqlite3.db
 vendor/*
-.idea
-.rvmrc
-.tags
-.tags_sorted_by_file
-.ruby-version
-.ruby-gemset
-.rbenv-gemsets