Update form.php

Added Yii::t for spaceholder
Update spaceChooser.php

Added Yii::t for placeholder
Update recoverPassword.php

Added Yii::t for placeholders
Update views_auth_recoverPassword.php

Added strings
Update views_auth_recoverPassword.php
Update views_auth_recoverPassword.php
Update widgets_views_spaceChooser.php

Added String
Update views_auth_login.php
Added german Translations, mostly space-related
Added lots of German Translations
Added lots of German Translations concerning spaces
Small changes to German translations regarding spaces
Updated translations
Fixed blank emails for outlook.com and some broken content links #85 #147
Added Contributing Infos
set update_at to NOW() if new record and userId = 0
Merge pull request #155 from bibabu512/master

set update_at to NOW() if new record and userId = 0
Merge pull request #138 from jetwes/master

Added Internalization for some placeholders
removed dead code ($success), changed the connection state detection.
Merge pull request #148 from avstudnitz/feature_german_translation

Feature german translation