Fix issue #190 and #195

This resolves issues where an integer column would raise an exception
when handled by Ransack::Constants.escape_wildcards.
Change RSpec configuration alias

In RSpec, v2.8, RSpec::Core::Configuration#alias_it_behaves_like_to
does not exist. This method is introduced in later versions. Instead,
use RSpec::Core::Configuration#alias_it_should_behave_like_to.
Use Object#send to comply with Ruby 1.8.7
Merge pull request #196 from KevinSjoberg/master

Fix issue #190 and #195
Bump to 0.7.3
Fixed lteq spanish translation
Merge pull request #197 from edulan/master

Fix for spanish translations
Separated searchable attributes from sortable attributes so either can be overwritten in a model
Added simple spec to test newly added ransortable attributes
Removing accidentally committed file
Reorder results to override orders applied up the chain (eg - scopes)
changed the translation of common attributes
Merge pull request #213 from piton/translate-common-attributes

I18n common attributes and Translate.attribute_name
Fixes squeel link is 404
Fixes meta_search link is 404
Merge pull request #215 from willnet/patch-1

Fixes 404 links
Add French locale

Translated the English locale to French (:fr)
Merge pull request #220 from ldavin/master

Add a French translation
Merge pull request #208 from pdf/reorder

Reorder results to override orders applied up the chain (eg - scopes)
Test with 1.9.3 and 2.0.0 in travis-ci