Allow users to associate Persona email to an existing account.

Changes:
*   i18n updates
*   Added radio buttons and password field to login page
*   Successful login redirection and email set

Bug: 63585
Change-Id: Ib6797483121c0e8848e64bfe165533f3f28a838a
Localisation updates from https://translatewiki.net.

Change-Id: Iee255888008f7071652c385451344f48496558d9
Update i18n shim

A performance issue was fixed in the shim(s) generated by
generateJsonI18n.php, so it needed to be updated.

Change-Id: I142220384072880d07c4d8c3adeba1f2881a56a9
Localisation updates from https://translatewiki.net.

Change-Id: I70845c6fdd8447b4cc43e65f0e522a4342feb080
Localisation updates from https://translatewiki.net.

Change-Id: Ibc5cdfcc86f3366d2334fa01ac7635e90648d88a
Merge "Allow users to associate Persona email to an existing account."
i18n: consistency tweaks

- replace "e-mail" by "email"

Change-Id: I6be0b318eda82159a1bd63cc76fc0872a6e6f54a
Localisation updates from https://translatewiki.net.

Change-Id: Ied465e16a6f5c78b1afdbd79611c4a2b9f9f0262
Localisation updates from https://translatewiki.net.

Change-Id: Idd7b1395fb65636a69ed9d83bbe114cee503cb9a
Localisation updates from https://translatewiki.net.

Change-Id: If0d00eab02222f2020f2a615f90069f1f299ad6a
Localisation updates from https://translatewiki.net.

Change-Id: Ic5aa72df49cbbe16772b29b36c3b3cb4c4a49711
Localisation updates from https://translatewiki.net.

Change-Id: I947227fc65dc66ade9654bca722dec0153ae940d
Localisation updates from https://translatewiki.net.

Change-Id: I58147e886fc163649d9083c7a23f8921ad2b6933
Localisation updates from https://translatewiki.net.

Change-Id: Ie8ca0b9df7337799f8147427c96110bf4ed240d3