Removed unused methods
Replaced instance var with local var
Replaced instance var with local var
Replaced instance vars with local var
Replaced instance vars with local var
Replaced ivar with local var.

Also use #after_create hook to tweet instead of patching #save
Replaced ivar with local vars
Removed ivar use
Replaced ivars
Can edit spoke description
Replaced ivars
Simplified render in controllers
Simplified render in views
Magnet link should be full path
Use scope access for posts and comments
Removed trailing whitespace