currency 6.x-1.3

New features:

• Issue #212527 by amateescu: Better display of result.
• Issue #338560 by amateescu: Also return a timestamp besides date and time.
• Issue #770466 by amateescu: Token support for input formats.
• Issue #764272 by amateescu | Graloth: No way to change decimal and thousand symbol.
• Issue #759458 by andriashu | Graloth: provide a function that gets a single symbol

Bug fixes:

• by amateescu: Fixed currency_api_convert() - it never returned the FALSE status.
• Issue #764272 by amateescu: Follow-up - currency format number.
• Issue #971124 by liquidcms, amateescu: Fixed theme currency default is wrong.
• Issue #989614 by amateescu: Update Afghani currency.
• Issue #811680 by amateescu | rafa0961: Fixed problem whith htmlspecialchars(): Invalid multibyte sequence in argument in currency_api_get_currencies().
• Issue #484482 by amateescu | mrfelton: currency_api.module should not use t() in hook_install().
• Issue #776590 by szantog, fix decimal points for Hungarian Forint

Misc:

• by amateescu: Shorten module description.
• by amateescu: Code style fixes.