Improve updater script

* Add features: dry-run mode, update deps phase, reload wsgi option, control
  archive format option, control path/prefix options, copy migrations, warning
  for unspecified commit

* Better self-documentation

* Fixup: apache restart command typo
Add TODO comment to update script
Merge pull request #42 from rowanthorpe/improve-update-script

Improve update script
Move code-comments into --help output in updater
Make updater more portable

* Abstract start/stop server commands, make configurable

* Abstract wsgi file path, make configurable

* Small --help readability tweaks
Fix syntax in verbose_names

It is Servers Management and not Server Managements
Fix a typo in keyvalue's fixtures

That would cause initial_data to not be parsed and ./manage.py to bork
with an exception
Clarify explanation of new config-opts
Merge branch 'master' of https://github.com/servermon/servermon into improve-update-script
Merge pull request #43 from rowanthorpe/improve-update-script

Move code-comments into --help output in updater (and improve configurability)
Merge pull request #44 from akosiaris/master

Fix bug preventing syncdb from running