Added edit event test, fixes #55
fixed 2 pep8 spaces issues
Added more description verification
Edited verification of saved message to show it is visible.
Added mark.credentials for Travis to skip test
Removed duplicate instantiations, fixed pep8 space issue.
Removed edits as they caused test to fail
Removed whitespace, added two button locator suffixes, changed edit to set
Edited to use Events header link
Create event test Issue #54
Rebased and removed unused variable
Removed unused variable, added mark.credentials
Remove unused variable