Updated spec and yaml files

I have updated spec and yaml files to enable building Tweetian on Mer OBS. You can find my repository for Sailfish target at https://build.merproject.org/package/show?package=Tweetian-latest&project=home%3Asiteshwar%3ATweetian

Packages can be downloaded from http://repo.merproject.org/obs/home:/siteshwar:/Tweetian/latest_armv7hl/armv7hl/