Ron DuPlain 1664355f32 Startup: Add ES_HOME to ES_INCLUDE search path
With this change, the elasticsearch script can be linked to another path
without having to set ES_INCLUDE to match the installation path.
Previously, the elasticsearch would find ES_HOME correctly even if linked
but could not find the include script, and finding it would be expected
behavior to me based on its current search path.

Closes #4958
2014-10-22 09:37:09 -07:00
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