feat(endecadgraph): new collector

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

Change-Id: If4863300ed483dcd83280dfe5c6d668eeacad530
Per #263, document alternative, faster interface collector
Merge pull request #689 from gitarzysta/master

Prevent userscript from dying when seeing an invalid line from a script.
Jolokia collector

Add Jolokia collector with test fixtures
Merge branch 'master' of github.com:BrightcoveOS/Diamond
Fix doc example
Set elbs_ignored to default as false
Merge pull request #688 from MichaelDoyle/jolokia_collector

Jolokia collector
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)
Fixes #10, extend the graphite handler to support IPv6 hosts
fix(feat): better exception handling in uptime collector to pass tests

Change-Id: I6a63233247224bb674cf4866dbc3cf2183a3cb75
fix(feat): made elasticsearch field optional (not available in fixture data from older version)

Change-Id: I43234c7903c66e547c4e89570cc0489dc9315279