Allow a url page to be pre-populated with values from the last saved url
Change hidden field to data attribute on 'Same as last saved' link
Use some previously-unused variables, stop using _this, reveal a bit of intent
Merge pull request #69 from alphagov/auto_fill_analysis_with_last_saved

Allow a url page to be pre-populated with values from the last saved url
Merge commit 'b5d828cf67239932508c42f58e29ad318783cc5c' into HEAD