starting some DB cleaning, integrating Slick, adding event participation tables, and starting guest implementation
starting Slick refactor
refactored user mostly, stuff seems to work
fixed some DB inconsistencies
extracted club
extracted event
extracted membership
converted event DB stuff
converted clubs DB stuff
converted memberships DB stuff
unit test cleanup
started guest work
Merge pull request #2 from mahyarr/tlei-devel

Refactoring for guest tracking