Upgrade to pallet 0.7.3.
Merge pull request #29 from adsummos/upgrade-pallet-to-0.7.3

Upgrade to pallet 0.7.3.
Add some vim stuff to gitignore.
Ignore temp files from vim.
Copy storm.log.properties from local conf directory to remote supervisor and nimbus servers.
Merge branch 'add-storm-log-properties-config'

Conflicts:
	project.clj
Limit log backups to 10 to avoid using up too much disk space on nodes.