Add machinery for Ajax testing, and fixed the Posterior-Search RSpec
test that need to use it.
changed back buttons on edit pages
Merge branch 'udaysaraf-fixBackButtons'
added test for posterior edit page
Merge branch 'master' into AddAjaxTesting
Use dbfiles to store path to files GH #118

This will remove all model_path from the models. Need to add to dbfiles
back again.
Styled models to be more like inputs etc.
Merge branch 'posterior_edit_test' of git://github.com/udaysaraf/bety into udaysaraf-posterior_edit_test
Merge branch 'udaysaraf-posterior_edit_test'
Eliminated redundant gem specifications; limited inclusion of
rspec-rails to development and test environments; limited inclusion of
capybara and capybara-webkit to test environment.
Merge pull request #73 from PecanProject/GH-118-use-dbfiles-for-models

Use dbfiles to store path to files GH #118
Removed reference to model_path now that that attribute has been
removed from the models table.
Commenting out capybara-webkit for now since I can't get it installed on CentOS 5 and since only one tests relies on it.