Merge pull request #20 from mjpost/master

Added scripts used in WMT evaluations -- thanks, Matt!
Merge pull request #33 from mjpost/master

Added MTurk support files and scripts, thanks again.
Use os.path.join() to produce platform independent file/folder names.
Improved SECRET_KEY generation and moved GIT_BINARY setup to local_settings.py which is not part of the repo distro.
Minor change.
Added WMT14 app to project.
Updated language pair to selection for WMT14.
Fixed problem with url tag and view names being expressed as quoted strings. Cleaned up template logic to avoid being forced to import evaluation app when running WMT14 mode only.
Added support for custom ROOT_PATH and removed evaluation app from WMT14 release.
Updated URL patterns.
Updated templates for WMT14.
Minor fix.
Further template refinements...
Updated URL patterns to use DEPLOYMENT_PREFIX for more flexible deployment.
Fixed problem with format strings.
Fix.
Final fix.
Updated README with new URL for Appraise.
Allow overwriting of DEBUG from local settings.
Fixed wrong use of DEPLOYMENT_PREFIX.