.gitignore in dusen-0.4.6 vs .gitignore in dusen-0.4.8

@@ -1,10 +1,9 @@
 doc
 pkg
 *.gem
 .idea
 app_root/log/*
-Gemfile.lock
 spec/shared/app_root/db/*.db
 spec/shared/app_root/config/database.yml