Eager load everything in lib

Obey code style guide.

define Rails constant after loading settings When using environment-light define the Rails constant after loading the Settings in order to circumvent the problem that RailsConfig jumps into Rails-Mode if the constant is defined.

Read from rails_config which files to load.

Obey style, load same config chain as in Rails.

Load paths fixed Use bundler instead of hard coded paths. solves #665

fix load of rails_config for git-shell This also includes requiring the rails_config gem and setting GEM_HOME environment variable accordingly.

One step more towards SSH access