Introduce end-of-line normalization
#master: requs 1.6.3
#master: git attributes
#master: revert
#master: requs 1.6.4
#master: seals fixed
#38: Added definition of Feature plus list of features. #41: Changed UC4 to indicate that logs are not displayed in real-time
Added sign up, log in cases, User.balance field and trial $5 when a user signs up. #48, #61