feat(endecadgraph): new collector

Change-Id: I96d444b13962337f1504f8de961a74b5548f1d6e
new(feat): added collector for chrony time offsets (ntp time skew)

Change-Id: If4863300ed483dcd83280dfe5c6d668eeacad530
filestat : reduce log at info level
Merge pull request #692 from NotSqrt/master

filestat : reduce log at info level
JolokiaCollector Error Handling

Properly handle non-200 response codes
Merge pull request #693 from MichaelDoyle/jolokia_collector_error_handling

JolokiaCollector Error Handling
fix(feat): removed internal time unit conversion, now using the diamond one

Change-Id: Ibf52200bf05baa1dc5cce2f82284aeea85d5eb80
fix(feat): removed dead code

Change-Id: I5ecbcd6ad1c691de1298506996b9cd176414e9e7
Merge pull request #642 from rtoma/endeca

feat(endecadgraph): new collector
Merge pull request #663 from rtoma/chronyd

new(feat): added collector for chrony time offsets (ntp time skew)