Add Travis CI build badge to README.rst
Add Travis CI build badge to README.rst

Related-Issue: BonnyCI/lore#2
Signed-off-by: Matt Langbehn <be4a68432fbbc874fc2f26c6bc5da2cd4d88fc13@gmail.com>

jamielennox/hoist,BonnyCI/hoist,jamielennox/hoist,SpamapS/hoist,BonnyCI/hoist,SpamapS/hoist