updated gemspec and fixed blog post spec manually
update gemspec and ruby version

updated gemspec and ruby version to prevent a couple of warnings
fixed warnings, errors, deprecations
updated gemspec to the latest gems

removed the version from rspec and capybara. also removed transpec which
was used to automatically update the specs
fix rebase issues

got overzealous with the rebase and deleted to much. added back
spec_helper.rb which shouldn't haven been deleted. removed imageables
specs and commented the text parser features.
addressed pull request comments

removed unnecessary instance double. split controller specs into
separate tests. marked as pending keyword parser scenarios
removed unnecessary expectation

missed an unnecessary expectation. changed it to an allow
remove be_truthy and be_falsey
Small updates
Merge pull request #31 from mixandgo/bugfix/fix_rspec_r0

Bugfix/fix rspec r0