Fixes Issue 112 - config ipxe is not working when hanlon.war deployed

--- This is a know issue where finding a suitable solution which works both for JAS and WEBRick servers
    was not address. This commit addresses the issue by moving the hanlon_ipxe.erb to web/config directory
Merge pull request #122 from sankarvema/112-issue-fix-a

Fixes #112 - config ipxe is not working when hanlon.war deployed