[PATCH] doc: Add SmsManager API documentation.

[Denis Kenzior]

Hi João,

> ---
>  doc/sms-api.txt |   47 +++++++++++++++++++++++++++++++++++++++++++++++
>  1 files changed, 47 insertions(+), 0 deletions(-)
>  create mode 100644 doc/sms-api.txt
> 

Patch has been applied, I amended the patch to remove an extra newline that 
was introduced.

Thanks,
-Denis