WIP: dreamteam & guest importers
merge WIP guest & dreamteam importers
Merge pull request #78 from sebarmano/release-1

Added filter buttons and new filters to participants show view
WIP guests importer
merge conflicts re importers
Merge pull request #80 from maebeale/allimporters

Allimporters
Added Guard and validations to models
WIP Added specs to model validations
added more headers and adding modals to team page
fixed merge conflict
Merge pull request #82 from obeid/release-1

added header to a few pages and modals to team page
	Added required files and changed button text in participants new view
Added specs for participant model
Merge branch 'release-1-tests' into release-1