Merge pull request #2 from jeffdill2/joshua-smith

GOOOOOAAAAAAALLLLLLLLLLLLLL!!!!!!!
Added functionality to generate random, unique group IDs -- added more test scenarios
Modified random group ID generator to make it easily modifiable
Merged in master -- resolved merge conflicts -- cleaned up CSS
Fixed a CSS issue
Merge pull request #3 from jeffdill2/group-creation

Group creation
resolved merge conflicts