Fixed service start issues with mongodb and added 10gen mongo to vagrant
Fixed exports
Connect to MongoDB database on start, added command line arg for DB
Added zip file size in collect() return values

Fixes #12
Changed the return format of pack.collect()
Fixed batch collection example
Better sanitize submitted URLs
Use the new return value format from batch() call
Make sure textarea has no initial value (even whitespace)
Show zip file path and size in collection results
Added FIXMEs as reminder to add more robust error handling to collect()
Added missing mongoengine library to requirements
Store collection information in mongodb
Start script
Merge branch 'feature/collect_mongo' into develop

Conflicts:
	artexin/pack.py