Issue number 149. Changed label in sent messages form "pending" to "sms", as requested.

https://github.com/ushahidi/SMSSync/issues/149
Merge pull request #153 from 123725/develop

Changed label in sent messages form "pending" to "sms"...
151: Added 'selected' suffix
Merge pull request #154 from tstalka/develop

#151: Added 'selected' suffix
#157: Now when we check "Use Sms Portals" option application send messages throuh installed Sms Portal packages.