Use information inside WorkspaceSettings to determine derived data directory.

Based on information found in http://pilky.me/view/25 and my own tests.
Moved position of archive task

deploy and prepare tasks would give the error:

	Don't know how to build task 'beta:archive'

when used in conjunction with namespaces. Moving the archive task above
the deployment_strategy section seems to fix this.
Ftfy.
Get these out of the built location, not the deploy payload section.
Package it up with Apple's script, not your own thing.
Indent these things betterly.
Pulled out app-specific configuration.
Fix.
Include version string in the webpage.
Add support for custom scp port.  Closes #35
Use relative paths instead of rubygems paths
* Use app_file_name, not app_name for Info.plist path
* Add output when scp'ing
Detect build failures and abort Rake
Fixing CFBundleIconFiles for me.  Its a nested attribute under CFBundleIcons for our project.
Merge branch 'master' of https://github.com/dts/betabuilder
changing case on require statement
Streamlining and adding the option to set a version number (from Git)
Changing version and adding my info
Updating gemspec as well
Making the output path for IPAs configurable; defaults to the working directory.