Changes in HTML markup that fix various bugs and lead to consistencies
with other skins:
* firstHeading now has `dir` attribute
* `tagline` message no longer parsed - plain text only - this is consistent with
other skins
* printfooter now child of #bodyContent
* #ca-view is outputted (but hidden with CSS)
* Order of attributes on #p-search-label changed
* Search input form elements are no longer self closing
* The #mw-searchButton element gains class mw-fallbackSearchButton
* The generated-sidebar class is no longer present on sidebar portlets,
consistent with other skins
* The print link disappears when ElectronPdf is installed so there
are not two print links.
Changes in functionality:
* Previously (in getCactions) a nomobile class would be added if
less than 2 tabs.
If not 1 tab, more would be appended. This is dropped.
Bug: T285989
Change-Id: I03d0dc1dad23894e7e64ceeb8956692316265144
abe94aa408