Revert "Revert "Merge pull request #276 from moneyadviceservice/advice_plan_command""

This reverts commit b952913e4c13257a134619f7ab924151bfd39559.
Add lib to file path in lib.scss
Merge pull request #277 from moneyadviceservice/fix_file_path_error_in_lib

Add lib to file path in lib.scss
`AdvicePlans::StartTaskCommand' must be a Struct
Update home page to prominently feature the payday loans advice tool
Merge pull request #279 from moneyadviceservice/include_pdl_on_home_page

Update home page to prominently feature the payday loans advice tool
Merge pull request #278 from moneyadviceservice/advice_plan_command

Advice plan command
Stub `BudgetPlanner::CommitBudgetCommand'
Add toggle to hide the search bar on the results page
Remove header component
Move the search box out of its green container so that it is more reuseable
Fix failing test by targeting header layout
Fix nav alignment post-rebase
Move js styles inside l-header
Add search input border colour variable
Add styling dependent on when the search bar is on the results page
Add search box to the results pages
Add search box to the results page layout in the styleguide
Add conditional ruby code to the mobile nav
Fix alignment of social icons in IE8