basic monitoring support for Apache Mesos
fix hostname vs host_name
Update jmx.yaml.example
SNMP| First commit for SNMP Agent checks
Add agent_checks to metadata sent
Add agent checks errors to metadata
SNMP| Add interface monitoring
SNMP| Fallback for interface identification in case of not indexed
SNMP| Add support for Custom tags

Also fixes bug for Counter metrics on several interfaces
add get_ prefix and raise on missing url
basic monitoring support for Mesosphere Marathon
SNMP| Allow use of snmp v3 authentication
SNMP| Allows to add more metrics
SNMP| Fix:Don't use device as a tag
SNMP| Takes all the metrics definition to conf.d
add instance tags
add instance tags
SNMP| Raise Exception on failed calls remove debug logging
SNMP| Allow for partial configuration
SNMP| First pass at testing

Setting up environment for Travis.ci and basic test