commit work in progress
update rspec-rails, guard-rspec specs
remove rspec-rails and guard-rspec gems from new_command_feature

it's already tested in specific generator test
increase rspec generator by additional bundle and install method
already add template rspec and spec helper files for future integration
add ruby version file
move rspec generator files into own directory
add specs for .rspec file, set helper to pending
implement copying .rspec, fix source path
add .rspec file
remove fakefs dependency, obsoleted
generate/copy tiered spec helpers into app
require fast_spec_helper in AR helper
clean up spec helpers
autoload shoestrap generators
remove debug puts
set up generators like in current shoestrap
remove duplicate specs, move leftover into context
use postgresql as a database by default
dont check for pg that many times ;)