LoadTabOnSelect Evolution od Un Crevard

#### Description
**20201013 version 1.8**

fix incompatibility with twitter (removing onBeforeSendHeaders)

20200115 version 1.7

some fixes & optimizations.
remove annoying opening from option page for no reason.

20180728 version 1.5

NEW : now backgrounded tabs network access is blocked (zero data loaded)
NEW : add an option to prefetch the main page (only html. No image, no script etc...) to get the title (may fail) and favicon (may fail also).

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LoadTabOnSelect prevents new tabs from automatically loading, instead loading them on selection.

The intended usage of the addon is to facilitate power-users who open many tabs before viewing, but dislike auto-playing videos (and other annoyances).

This addon uses the WebExtensions API, and therefore fully supports Firefox 48+.

As a bonus the extension "fix" google.* search links prefix.

#### Tips about:config

To background a page with ctrl set browser.tabs.loadInBackground to true.
To background popup with ctrl set browser.tabs.loadDivertedInBackground to true.
To background bookmarked links set browser.tabs.loadBookmarksInBackground to true.