fix typo in spec description
use exist_on_fs matcher for new existence tests
minor commit to allow for travis rebuild
allow this branch to be rebuilt
update gemspec and Rakefile
* gemspec: ensure that all necessary gems are included
* Rakefile: avoid unknown formatter 's'
update matchers to avoid deprecation warnings
Merge branch 'get_working_with_travis' into fix_fetch_location

Conflicts:
	spec/fetch_spec.rb