Formatting changes -- cloud code updates

# Changes #

### index.html ###
- Included the **globals.js** dependency.

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### scripts/* ###
- Cleaned up/standardized formatting for all of the JavaScript as far as spacing, indentation, line-breaks, missing semicolons, etc.
- Deleted out a bunch of commented out code and console logs that were left in.
- Changed anywhere that a Parse data class was statically specified to use the reference in **globals.js** instead.

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### globals.js ###
- Any variables that are to be used throughout the application can be defined here.
- This is where all Parse data classes are declared now, so that they can be used as a reference instead of statically anywhere else in the application.

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### _variables.scss ###
- Added variables for the fonts that are used throughout the application.

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### styles/* ###
- Updated anywhere a font is called to have the variable instead of static font names.

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### cloud/main.js ###
- Removed the destroying of all users in the **User** data class from the dummy data generator function.
- Added functionality to the group totals function that calculates total meals provided for a given group.