v0.3.0

Updated version to v0.3.0

Same as v0.2.3:

• Release fixes a number of order workflow issues
• PDF Formatting now useable (but not ideal)
• ReactionSessions renamed to Sessions
• cart* variables refactored to use cart collection
• Refactored dashboard and console, layouts
• Refactored admin dropdown menu
• @prinzdezibel Introduces guest checkout (not enabled by default, still a work in progress)
• @viewplatgh Introduces chinese translations
• bugfixes from @evliu @prinzdezibel @bstocks

This release has feature incomplete packages.. Feedback and testing, or authoring tests appreciated.