add a timeout to run_command (it seems sometimes simple things like qstat -u {username} can hang indefinitly
use the loginHost input box if the siteConfig doesn't specify the loginHost
Revert "use the loginHost input box if the siteConfig doesn't specify the loginHost"

This reverts commit a3af28f579c23afccf12abf930e025d7c08c05e2.
only use the siteConfig loginHost if it is set, otherwise it will default to teh loginHost field
Merge pull request #58 from l1ll1/master

add a timeout to run_command (it seems sometimes simple things like qsta...