c++-mode: add open brace configurations
rabbit-mode: update Rabbit repository URL
rst-mode: remove needless configuration
el-get: add a recipe for stem.el
el-get: fix name
el-get: add dependencies to logalimacs
Visualize indent-tabs-mode mismatch indentation by whitespace.el
ruby-mode-trunk: remove auto style configuration for MRI

It is not needed for normal Ruby users.