Fix rubocop offenses
Convert specs to RSpec 3.0.3 syntax

This conversion is done by Transpec 2.3.6 with the following command:
    transpec

* 14 conversions
    from: obj.should
      to: expect(obj).to

* 7 conversions
    from: == expected
      to: eq(expected)

* 3 conversions
    from: obj.should_not
      to: expect(obj).not_to

For more details: https://github.com/yujinakayama/transpec#supported-conversions
Bump version to 0.1.0

Credit for this release goes to Jonathan Allard (@joallard) for
major contributions and Rails 4 compatibility.
Merge branch 'release/0.1.0'

* release/0.1.0:
  Bump version to 0.1.0
  Convert specs to RSpec 3.0.3 syntax
  Fix rubocop offenses
  Correct Readme gem
  Remove hstore gem dependency for Rails 4, push to user
  Don't require hstore gem in AR4
  Fix "keys" exception on blank record
  Write translation hash with indifferent access, for same reasons
  Test on indifferent access hash, because of gem on AR3
  Use PG on Travis
  Ignore all gemfile locks
  Add Appraisal gem, set up for Travis
  Remove I18n.enforce_available_locales warning
  Expect hstore keys to be strings, not symbols
  Add Pry as development dependency
  Change database name to be more Trasto-specific