clean up whitespace
cleanup newline
rename integration test files to …_spec for vroom
ignore generated test apps
tweak test setup

- use SHOESTRAP_PATH to determine if we are
running shoestrap as a gem or from test suite,
so we can require the correct gem in the 
generated app

- clean up shoestrap_new calls by extracting
a method

- remove :boom: very hacky :boom: re-require of
bundler after setting BUNDLE_GEMFILE env variable

- run rails command inside test app
implement minimum viable cms generator