Spanish translation

[pablodelolmo]

Informal spanish (tú) translation. phpBB lang code: es_x_tu

[paul999]

Thank you :). Please note that I won't merge it until a more stable version is released, as translations get out of date pretty soon. If I release a stable version, and the PR is still up to date, I will include it in the final package.

[paul999]

Hi,

Can you update your translations so all new variables are included as well?
The following are missing:
Warning: Language file es_x_tu/acp_tfa.php is missing the language key TFA_ACP
Warning: Language file es_x_tu/acp_tfa.php is missing the language key TFA_ACP_EXPLAIN
Warning: Language file es_x_tu/common.php is missing the language key TFA_REQUIRED_KEY_AVAILABLE_BUT_UNUSABLE
Warning: Language file es_x_tu/common.php is missing the language key TFA_NOT_REGISTERED
Warning: Language file es_x_tu/common.php is missing the language key TFA_NO_RESPONSE_RECEIVED
Warning: Language file es_x_tu/common.php is missing the language key TFA_NOT_SUPPORTED
Warning: Language file es_x_tu/common.php is missing the language key TFA_BROWSER_SEEMS_NOT_SUPPORTED
Warning: Language file es_x_tu/common.php is missing the language key TFA_INSERT_KEY
Warning: Language file es_x_tu/common.php is missing the language key TFA_INSERT_KEY_EXPLAIN
Warning: Language file es_x_tu/common.php is missing the language key TFA_START_AUTH
Warning: Language file es_x_tu/info_acp_tfa.php is missing the language key LOG_TFA_EXCEPTION