RUBY/LINUX HELP NEEDED:

so here's the task at hand:
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i have
a) an nginx server
b) on there: a special version of jekyll
c) a dropbox synced folder with markdown files

i need
a) jekyll ran as an upstart service or similar that keeps it up
b) possibility to read the log/stdout from jekyll from a ruby app, since i need to be able to send feedback errors to a user interface..

the problem:
• The server is running ubuntu 11.04 and upstart 0.97 (i think)
• Upstart is not upgradable through apt-get to a newer version that allows non-root users to start services,
	i would rather not upgrade upstart manually
• Ruby and the gems are installed to a non-root user through rvm
• I can't reach the gems and execute them from the upstart service, they are not even visible with sudo -u rubyuser

Any tips or ideas on how to run jekyll as a stable, re-spawning service under these conditions?