Merge pull request #727 from DoubleNegativeVisualEffects/es-errors

Improve error handling when connecting to elasticsearch
Timeout value should be an integer
Revert "Timeout value should be an integer"

This reverts commit 6ede518b0cf0ad3756460a9613f3d43ae1d55511.
Merge branch 'check-ping-timeout'
Supress warnings about world writable paths SYS-10512