Merge pull request #29 from SpyMaster356/GUI

fully update
fixed bicycle

be happy
making things work
Update Customer.java
Merge pull request #30 from SpyMaster356/Customer

fixed bicycle
go away
Merge branch 'master' of https://github.com/SpyMaster356/Assignment-2
changed BackEndMain to a static class
Merge pull request #31 from SpyMaster356/master

update