Group view comin' atcha

# Changes

## group-view.js
* removed getGroupTotals() function
* group totals are now crunched in the getPlayers function now as this was pulling this data anyway. 
* player values have been updated to render accurate per player totals that add up to group summary

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### index.html
* added checks for group end date for dashboard view. once a group is 5 days past it's end date it will render gray
* added check for group end date in group view - once completed a message will appear as such in the group summary
* new placeholder scripts for groups that haven't been populated yet

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### compare-groups-view.js
* added filter for newly created, not yet crunched groups
* updated placeholder for newly created groups when the user has already created previous groups

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### app-router.js
* updated parameters in edit-members-view for consistency 

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### dashboard-view.js
* added basic empty template if group is currently empty (hasn't been crunched yet)
* added dateCheck filter to verify whether or not a group has ended - passed into the template and will render gray if group end date is 5+ days old

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### edit-members-view.js
* updated typo in redirect after a member has been removed 

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### player-view.js 
* updated value being passed into function to accurately render player summary

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### sign-in-view.js 
* removed css that was being done in the js functions.