Bracket

Tournament functionality: bracket generation
* migrations + models
* initiate_bracket and initiate_groups(int) to generate pairings in Tournament model
* views for basic display of pairings
* fixed houndci spacing stuff and migration issue
Align the parameters of a method call if they span more than one line.<br>Expression at 71, 72 should be on its own line.<br>Prefer double-quoted strings unless you need single quotes to avoid extra backslashes for escaping.