Tagged release v3.1.0

101d544 Update procedure version to v3.7.0
e742cda Return actual bid in message
a04f515 Update tests according to changes
8c9ce7b Load bid to value model to validate properly
51c5ef5 Add english pause state
7eef035 Remove "you" marker
006aa58 Add test for success bid placement
798c4c2 Change sequential round duration for english-fast-manual auction
a9f509e Change bid_round_duration type to int on sequential round
ca3074e Notify bidder if bid placement success
d3aa848 Update procedure version to v3.6.0
6e0e757 Update fields
0090252 Upgrade procedure version to v3.4.0
73c6404 Change timeline date keys
0b081ab Add auction start date to timeline
df59251 Update procedure version to 3.3.4
c11f939 Add message to cancel_bid response
0efd9f4 Check if auction timer changed after timer_tick
c0a0734 Add LICENSE
6cdaa12 Add full auction paginator
639ebef Handle pagination errors
9bb0505 Update tests
3a626f4 Refactor get_role_from_context to get role according to bidder_id and token
31b5f8a Add bidder_id to context