Use rails_apps_composer gem to generate application template

Changes:
* rebuild application template by running bin/generate_template
* test application template with bin/generate_example_app
update vagrant ruby install
add continuous integration and javascript recipes
fix vagrant file list
remove turbolinks
fix vagrant config
setup Procfile
extract custom_helpers
add travis ci
fix syntax
extract additional recipes
port template into recipes
extract testsuite
update template
thegarage-template: Add basic git config
thegarage-template: Add basic git config
thegarage-template: Add basic git config
merge
fix erb template
add continuous integration test