Collective-hostout

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- switched to python2.6 and fabric0.9

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- commandline changed to allow multsite and arguments
- mr.developer plugin
- supervisor plugin
- documentation clearer and more details
- ssh tests now working
- Nice listing of available commands

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- Fixed how extends works
- fabric commands have hostout in environment rather than argument
- new command to reset permissions
- fab_hosts etc is set for all commands
- supervisor recipe now uses fabfile

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- can extend from recipe directly instead of a buildout part
- supervisor plugin recipe
- fixed version pinning for recipes

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- fix bug in lowering case of package names in versions

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- new commandline to allow deploying to multiple hosts at once
- ability to take defaults from another part using 'extends' option
- fabfiles option to create your own hostout commands
- moved hostout cfg generation to deployment time
- egg releases hash of contents as version numbers and won't be built or uploaded unless changed
- new parts option to only install specified parts
- many option names simplified (backwards compatibility maintained)
- pre-commmands now runs before buildout initialisation
- buildout now run as 'effective-user' rather than root. pre and post commands still run as root
- eggs released directly to the download cache rather than a seperate dist directory
- version recognition only done once for all hostout parts