Accessibility changes for PRONI

See merge request !45

Add some structural html elements, like main, header, and footer.

Adds labels, visible only for screeen readers, to form elements that do not currently have a required label.

Adds labels to logos that are empty <a> elements with a background image.

Prefix all ng HTML attributes with data

See merge request !38

PRONI asked us to ensure all HTML markup for their seed site validates.
By default, Angular directives are added to HTML markup like ng-submit
but ng prefixed HTML attributes are technically invalid markup.
Angular supports prefixing these with `data-`, which is valid HTML.

ng-submit -> data-ng-submit
ng-model -> data-ng-model
etc

support advance search by domain with/without prepended [https://]www.

See merge request !36

capitalize 'S' in "Search only within this website"

See merge request !35

fix typo for domain search input id

See merge request !34

include form field for search filtered by domain

See merge request !33

Api limit was causing seed query failures

See merge request !32

Fixes extra push states added during search

See merge request !31

Accomodates grs

Removes jquery dependencies

See merge request !30

https://webarchive.jira.com/browse/SPECPRJCTS-2272?focusedCommentId=118641&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-118641

Toggles ait branding in settings

See merge request !25

selectively switch to http for wayback urls

See merge request !29

https://webarchive.jira.com/browse/ARI-5910

Fixes how empty strings are sorted

See merge request !27

Disable sorting in query (overrides "distinct")

See merge request !26

https://webarchive.jira.com/browse/SPECPRJCTS-2272

Try using an encoded url to avoid IE problems

See merge request !24

https://webarchive.jira.com/browse/SPECPRJCTS-2301