bump agents to latest version
if the MongoDB package changes the config file, dpkg install fails if you already have an older version installed
Merge pull request #274 from jspiewak/mms-fix-dpkg-install

mms fix dpkg install
tag 0.15.2
String or Array only in metadata :\
short readme bump
switch version req
fix 10gen_repo for yum_repository change #246
yum epel split back out
update changelog
Add travis badge, downgrade headers