add docblocks, closes #1653

app/views/admin/install/mysql_check.php

app/views/admin/install/permissions.php

app/views/admin/install/php_check.php

app/views/admin/install/prepare.php

app/views/admin/licenses/edit.php

app/views/admin/licenses/index.php

app/views/admin/lockrules/_form.php

app/views/admin/lockrules/edit.php

app/views/admin/lockrules/index.php

app/views/admin/lockrules/new.php

app/views/admin/login_style/index.php

app/views/admin/login_style/newpic.php

app/views/admin/lti/edit.php

app/views/admin/lti/index.php

app/views/admin/oauth2/_clients.php

app/views/admin/oauth2/_notices.php

app/views/admin/oauth2/_setup.php

app/views/admin/oauth2/_setup_key.php

app/views/admin/overlapping/admin_info.php

app/views/admin/overlapping/conflicts.php