Change README to point to travis-ci.com
Change README to point to travis-ci.com

The repo was migrated over from travis-ci.org to travis-ci.com so the badges should
point to the new URL.
iiordanov/BSSH,iiordanov/BSSH,kruton/connectbot,connectbot/connectbot,lotan/connectbot,kruton/connectbot,connectbot/connectbot,lotan/connectbot,connectbot/connectbot,iiordanov/BSSH,lotan/connectbot,kruton/connectbot