[ticket/12334] Add PROFILE_FIELD_VALUEID template var

PHPBB3-12334
[ticket/12334] Added field_novalue fall-back as requested

PHPBB3-12334
[ticket/12334] Implemented get_profile_valueid method

PHPBB3-12334
[ticket/12334] Changed from valueid to value_raw

PHPBB3-12334
[ticket/12334] Added test get_profile_value_raw

PHPBB3-12334
[ticket/12334] Dropdowns cannot be tested this way

PHPBB3-12334
Merge pull request #7 from PayBas/ticket/12334

Test/all