fixed issue #590

created new version of 'sprite-codeArena.png' with white arrows
fixed issue #904

changed width of .coderHistoryColTime to 150px; changed Time to
Date/Time in 'Coder History'
fixed issue #538

changed to 'Allowed Language(s)' on line #246
fixed issue #542

changed to 'Summary' on line 7 in contestCreationWizard.html
fixed issue #573

changed from 'errors' to 'error(s)' in file 'contestCreationWizard.html'
fixed issue #549

changed to 'Officially' in contestCreationWizard.html (lines 83 and 255)
fixed issue #581

changed to 'starts' in contestCreationWizard.html
fixed issue #653

removed padding-top from .modal-dialog
fixed issue #681

created style rule in darkTheme.css with a lighter gray for Country rows
in Registrants table
fixed issue #782

added disableSubmit() to if in clearEditor(); added disableLink to
data-ng-class of clearLink
Merge pull request #943 from denim2x/bugbounty-2

Fixed 10 issues: #538, #542, #549, #573, #581, #590, #653, #681, #782, #904